{"title":"Exhaust \u0026 Emissions","description":"\u003ch2\u003eExhaust Parts for a Healthier, Better-Sounding Engine\u003c\/h2\u003e\u003cp\u003eThe exhaust system does more than carry noise away from the engine. It manages backpressure, controls emissions, and plays a direct role in how an engine breathes, which means a tired manifold, a cracked downpipe or a worn oxygen sensor can quietly rob you of power and fuel economy long before anything sounds obviously wrong. Exhaust parts are also some of the most rewarding upgrades available, because the difference in sound and throttle response after fitting a set of headers or a cat-back system is immediate and obvious from the first drive.\u003c\/p\u003e\u003cp\u003eThis collection brings together exhaust parts for daily-driven repairs and performance builds alike: replacement exhaust manifolds, performance headers, downpipes, cat-back systems, and the oxygen sensors that live in the exhaust stream and feed data back to the engine computer. New parts are added regularly across both repair and performance categories, so this page is written as a lasting buying guide rather than a fixed list. Below, we cover how an exhaust system works, how to recognize a failing part, the rules around performance exhaust changes, and how to fit new parts without snapping a bolt in the process.\u003c\/p\u003e\u003ch2\u003eHow an Exhaust System Works\u003c\/h2\u003e\u003cp\u003eExhaust gases leave each cylinder through the exhaust manifold or header, which collects them from all cylinders into one pipe. From there, gases pass through the catalytic converter, which reduces harmful emissions, then continue through the mid-pipe and muffler before exiting at the tailpipe. Oxygen sensors positioned before and after the catalytic converter measure how efficiently combustion and emissions control are working, feeding that data back to the engine computer in real time to fine-tune the air-fuel mixture.\u003c\/p\u003e\u003cp\u003eA well-designed exhaust system balances two competing goals: letting gases flow out with minimal restriction, which helps power and efficiency, and controlling noise and emissions to acceptable levels. Performance parts like headers and cat-back systems shift that balance toward flow and sound, while stock replacement parts restore the factory balance exactly.\u003c\/p\u003e\u003ch2\u003eSigns Your Exhaust Needs Attention\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eWhat you notice\u003c\/th\u003e\n\u003cth\u003eLikely cause\u003c\/th\u003e\n\u003cth\u003eWhat to do\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTicking noise on cold start that fades as the engine warms\u003c\/td\u003e\n\u003ctd\u003eCracked exhaust manifold or blown manifold gasket\u003c\/td\u003e\n\u003ctd\u003eInspect the manifold for visible cracks once the engine is cool\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoud, raspy exhaust note that developed gradually\u003c\/td\u003e\n\u003ctd\u003eRusted-through pipe, cracked weld, or failing muffler\u003c\/td\u003e\n\u003ctd\u003eInspect the full exhaust run for rust and gaps at joints\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCheck engine light with a lean or rich code\u003c\/td\u003e\n\u003ctd\u003eFailing oxygen sensor or exhaust leak upstream of it\u003c\/td\u003e\n\u003ctd\u003eScan for the code and check for leaks before replacing the sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRattling sound, especially at idle\u003c\/td\u003e\n\u003ctd\u003eLoose heat shield or failing catalytic converter substrate\u003c\/td\u003e\n\u003ctd\u003eInspect heat shields and listen for the rattle's source\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoticeable loss of power or poor fuel economy\u003c\/td\u003e\n\u003ctd\u003eClogged or failing catalytic converter restricting flow\u003c\/td\u003e\n\u003ctd\u003eCheck exhaust backpressure or have it scanned\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSmell of exhaust inside the cabin\u003c\/td\u003e\n\u003ctd\u003eExhaust leak near the cabin, often at a joint or gasket\u003c\/td\u003e\n\u003ctd\u003eHave this checked promptly; exhaust fumes in the cabin are a safety concern\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eExhaust Manifolds and Headers\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePart\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eWhat it changes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStock exhaust manifold\u003c\/td\u003e\n\u003ctd\u003eCast iron or steel\u003c\/td\u003e\n\u003ctd\u003eDirect replacement that fixes cracks and cold-start ticking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePerformance headers\u003c\/td\u003e\n\u003ctd\u003eStainless steel, typically mandrel-bent\u003c\/td\u003e\n\u003ctd\u003eImproved exhaust flow for more power and a sharper sound\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDownpipe\u003c\/td\u003e\n\u003ctd\u003eStainless steel\u003c\/td\u003e\n\u003ctd\u003eConnects headers or a turbo outlet to the rest of the exhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCat-back exhaust\u003c\/td\u003e\n\u003ctd\u003eStainless steel\u003c\/td\u003e\n\u003ctd\u003eChanges sound and flow from the catalytic converter to the tailpipe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eA stock manifold is a direct, bolt-in fix for a cracked original. Headers replace the manifold with a design built for flow rather than packaging and cost, which is where most of a performance exhaust upgrade's power gain comes from. A downpipe and cat-back system then carry that improved flow the rest of the way to the tailpipe.\u003c\/p\u003e\u003ch2\u003ePerformance Exhaust Parts and Local Regulations\u003c\/h2\u003e\u003cp\u003eHeaders, downpipes and cat-back systems can change how emissions equipment functions, and some performance parts, particularly catless or high-flow downpipes, are intended for off-road or racing use only in certain regions. Regulations around modified exhaust systems and emissions compliance vary significantly by country, state and even city, so it's worth checking local rules before fitting a part that removes or alters catalytic converter function, especially if your vehicle needs to pass a periodic emissions or roadworthiness inspection.\u003c\/p\u003e\u003ch2\u003eHow to Choose the Right Exhaust Part\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYear, make, model and engine.\u003c\/strong\u003e Exhaust parts are almost always engine-specific, even within the same model.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRepair or performance.\u003c\/strong\u003e A cracked manifold calls for a stock replacement; a desire for more power and sound calls for headers or a cat-back system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial and finish.\u003c\/strong\u003e Stainless steel resists rust far better than mild steel, especially in wet or salted climates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmissions equipment compatibility.\u003c\/strong\u003e Confirm whether a part retains catalytic converters and oxygen sensor bungs if your region requires them.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOxygen sensor position.\u003c\/strong\u003e Upstream and downstream sensors are different parts; confirm which one you need before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreet legal or off-road use.\u003c\/strong\u003e Read the listing carefully, since some performance parts are explicitly sold for off-road use only.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitting Exhaust Parts Without a Fight\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSoak exhaust studs and bolts in penetrating oil the night before; rusted exhaust hardware snaps easily.\u003c\/li\u003e\n\u003cli\u003eUse new gaskets and hardware every time, never reuse old exhaust gaskets.\u003c\/li\u003e\n\u003cli\u003eSupport the exhaust system before removing any section, since it's heavier and more awkward than it looks.\u003c\/li\u003e\n\u003cli\u003eWork from the engine back when installing headers or a manifold, then connect the downpipe and remaining sections.\u003c\/li\u003e\n\u003cli\u003eCheck for leaks at every joint once the engine is running, using a hand near each connection to feel for escaping exhaust.\u003c\/li\u003e\n\u003cli\u003eTorque exhaust hardware to spec; overtightening can crack manifold flanges, especially on cast iron parts.\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"exhaust-header-for-bmw-e46-e39-z4-01-06-2-5l-2-8l-3-0l-l6-ban-the-sale-of-amazon","title":"BMW E46\/E39\/Z4 Exhaust Header - 2.5L\/2.8L\/3.0L L6 (1998-2006)","description":"\u003ch2\u003eAn Exhaust Header for the BMW Inline-Six E46 and E39\u003c\/h2\u003e\n\u003cp\u003eThis is a direct-fit exhaust header built for BMW's 2.5L, 2.8L and 3.0L L6 engines, covering specific E46 3 Series and E39 5 Series applications along with select Z4 models using the same engine family. If your factory manifold is cracked, or you're chasing the flow restriction that's typical of BMW's stock cast-iron exhaust manifolds on these sixes, this header is a direct OE-style replacement rather than a universal fit-anything part.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Fitment Matters More Than Usual Here\u003c\/h2\u003e\n\u003cp\u003eBMW's naturally aspirated inline-sixes from this era came in several displacements and states of tune across the E46 and E39 lineups, and not every one of them uses the same header length or flange spacing — which is exactly why the fitment notes below are as specific as they are. The 325\/330 chassis codes, for instance, are excluded from most of the E46 range this header covers because their factory routing is physically too long for this design, with a handful of documented exceptions. Getting this wrong means a header that either doesn't bolt up or fouls something in the engine bay, so it's worth reading the compatibility section closely rather than matching on chassis code alone.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDirect-fit replacement for the factory cast-iron exhaust manifold\u003c\/li\u003e\n\u003cli\u003e1.75-inch primary tube diameter with a 2-inch outlet\u003c\/li\u003e\n\u003cli\u003eHead and outlet flanges sized to reduce warping and leaks at the joints\u003c\/li\u003e\n\u003cli\u003eCovers 2.5L, 2.8L and 3.0L L6 engine variants\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOutlet size: 2 in.\u003c\/li\u003e\n\u003cli\u003ePrimary tube size: 1.75 in.\u003c\/li\u003e\n\u003cli\u003eHead flange thickness: 7\/16 in.\u003c\/li\u003e\n\u003cli\u003eOutlet flange thickness: 3\/8 in.\u003c\/li\u003e\n\u003cli\u003eEngine coverage: 2.5L, 2.8L and 3.0L L6\u003c\/li\u003e\n\u003cli\u003eCondition: New\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eFits BMW E46 323\/328 models from 1998 through 2006 (2006 limited to coupe body style). The 325 and 330 variants are excluded across most of this range because their factory exhaust routing is too long for this header, with documented exceptions for the 2001 325i, the 2003 330Ci base coupe (3.0L), and the 2004 325i base wagon (2.5L). It also fits the BMW E39 5 Series across 2001-2003 with the 2.5L, 2.8L or 3.0L engine, excluding the 2002 325Ci and 2002 330Ci. This header is also listed for select BMW Z4 models sharing the same inline-six family — since exact Z4 model-year exceptions aren't broken out separately by the manufacturer, confirm your engine code against the specs above before ordering if you're fitting a Z4.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Owners Choose This Header\u003c\/h2\u003e\n\u003cp\u003eBeyond fixing a crack, swapping the factory cast-iron manifold for this header is also a modest flow improvement, since the equal-length-style primary tubes move exhaust gas more efficiently than the log-style castings BMW used from the factory. It's not a dramatic power upgrade on its own, but paired with a healthy cat and muffler section it removes one more restriction point on an engine that's otherwise breathing reasonably well from the factory.\u003c\/p\u003e\n\n\u003ch2\u003eSigns Your Factory Manifold Needs Replacing\u003c\/h2\u003e\n\u003cp\u003eA cracked exhaust manifold on these BMW sixes usually shows up as a ticking or popping noise that's loudest cold and fades as the engine warms up, since the crack opens and closes slightly with heat expansion. It can also trigger a check engine light from the affected bank's oxygen sensor reading a lean condition, since exhaust leaking out before the sensor throws off the reading. \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/BMW_M52\"\u003eBMW's M52 and M54 inline-six family\u003c\/a\u003e is generally durable, but the factory manifolds are a known weak point simply from age and heat cycling by the time these cars pass the 100,000-mile mark.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eAccess varies noticeably between the E46 and E39 depending on which side of the engine you're working on, and the exhaust manifold studs on these BMWs are prone to snapping if they haven't been out in years — soaking them in penetrating oil well ahead of time is worth the patience. New manifold gaskets and studs are cheap insurance compared to the labor of doing the job twice because a stud sheared off mid-install.\u003c\/p\u003e\n\n\u003ch2\u003eOrdering Information\u003c\/h2\u003e\n\u003cp\u003eThis BMW exhaust header is in stock and ships ready to install. Our \u003ca href=\"\/pages\/shipping\"\u003eShipping Information\u003c\/a\u003e page covers current timelines, and our \u003ca href=\"\/pages\/warranty\"\u003eWarranty\u003c\/a\u003e and \u003ca href=\"\/pages\/returns\"\u003eReturns\u003c\/a\u003e pages explain what to do if anything isn't right on arrival. If you're not certain this matches your specific chassis, engine, and model year, our \u003ca href=\"\/pages\/request-a-part\"\u003eRequest a Part page\u003c\/a\u003e is the fastest way to confirm before you order.\u003c\/p\u003e\n\n\u003ch2\u003eRelated Parts\u003c\/h2\u003e\n\u003cp\u003eThis header is listed in our \u003ca href=\"\/collections\/exhaust-parts\"\u003eExhaust \u0026amp; Emissions\u003c\/a\u003e collection and our \u003ca href=\"\/collections\/bmw\"\u003eBMW\u003c\/a\u003e collection, alongside other parts built for the E46 and E39 platforms.\u003c\/p\u003e","brand":"EasyLife Auto Parts","offers":[{"title":"Sliver","offer_id":49810091901156,"sku":"CJQT240505001AZ","price":189.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/0502\/0900\/files\/d4316132-da15-4496-93ad-21caf60c6db4.jpg?v=1788762069"},{"product_id":"exhaust-header-for-vw-golf-jetta-gti-1-8-turbo-3-tip-ban-the-sale-of-amazon","title":"VW Mk4 Golf\/Jetta 1.8T Turbo-Back Exhaust System - 1999-2005","description":"\u003ch2\u003eA Turbo-Back Exhaust System for the Mk4 1.8T\u003c\/h2\u003e\n\u003cp\u003eThis is a full turbo-back exhaust system for the 1999-2005 Volkswagen Golf Mk4 and Jetta A4 (Typ 1J), built specifically for the FWD \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Volkswagen_1.8T_engine\"\u003e1.8T turbocharged four-cylinder\u003c\/a\u003e — it is not a match for the VR6 or naturally aspirated 2.0L cars. The kit covers three sections: a down pipe, a cat-back muffler section, and the main cat-back piping running back to the tip, so you're replacing the exhaust from the turbo outlet all the way to the rear rather than swapping in just one piece and leaving factory piping in between.\u003c\/p\u003e\n\n\u003ch2\u003eWhy a Turbo-Back Kit Makes Sense on the 1.8T\u003c\/h2\u003e\n\u003cp\u003eThe 1.8T's factory exhaust, particularly the down pipe, is one of the more restrictive sections on the whole car, and it's a common bottleneck once anything else on the intake or turbo side has been touched. Replacing the down pipe and cat-back together avoids the mismatch you get from upgrading one section and leaving a narrower factory pipe choking the rest of the system. Because all three sections are sized to work together here, the piping diameter stays consistent through the full run instead of stepping down at a factory joint.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eComplete turbo-back system: down pipe, cat-back muffler, and cat-back piping\u003c\/li\u003e\n\u003cli\u003eConsistent 2.50-inch main piping diameter through the full system\u003c\/li\u003e\n\u003cli\u003e3.00-inch and 3.75-inch tip and muffler-section transitions for a cleaner flow path\u003c\/li\u003e\n\u003cli\u003eDirect fit for Mk4 chassis FWD 1.8T applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFull cat-back system inlet\/tip: 2.50 in. \/ 3.00 in.\u003c\/li\u003e\n\u003cli\u003eMain piping diameter: 2.50 in.\u003c\/li\u003e\n\u003cli\u003eCat-back muffler inlet\/outlet: 3.75 in. \/ 2.50 in.\u003c\/li\u003e\n\u003cli\u003eMuffler piping diameter: 2.50 in.\u003c\/li\u003e\n\u003cli\u003eDown pipe inlet\/tip: 2.50 in. \/ 3.00 in.\u003c\/li\u003e\n\u003cli\u003eDown pipe main piping diameter: 2.50 in.\u003c\/li\u003e\n\u003cli\u003eCondition: New\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eFits 1999-2005 Volkswagen Golf Mk4 and 1999-2005 Jetta A4 (Typ 1J), FWD models only, fitted with the 1.8T\/1.8L turbocharged engine. This system isn't built for VR6-equipped Mk4s or the naturally aspirated 2.0L, since both use different exhaust routing and flange spacing than the turbo four. If your Golf or Jetta has been engine-swapped, match this against your current turbo outlet and flange spacing rather than assuming fitment from the chassis alone.\u003c\/p\u003e\n\n\u003ch2\u003eWhat to Expect\u003c\/h2\u003e\n\u003cp\u003eWith the factory down pipe and cat-back replaced by wider, straighter-flowing sections, most owners notice a quicker-spooling turbo and a deeper, more present exhaust note than the fairly quiet factory system. How much of a seat-of-the-pants difference it makes depends heavily on what else has been done — a down pipe upgrade tends to matter more paired with a tune, since the ECU can then take advantage of the reduced backpressure rather than just letting it go unused. On a mostly stock car, the biggest difference most people notice day to day is the sound rather than a dramatic change in how the car pulls.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Owners Replace the Factory System\u003c\/h2\u003e\n\u003cp\u003eBy the time a Mk4 1.8T has fifteen-plus years on it, the factory down pipe flex section and muffler are common failure points — the flex joint cracks from years of engine movement and heat cycling, and the muffler itself tends to rust from the inside out well before the rest of the car shows its age. Replacing the whole turbo-back section at once means you're not chasing a new leak every year or two as each factory section fails on its own schedule.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eThis is a multi-section install, so budget more time than a simple cat-back-only swap — the down pipe connection at the turbo is usually the tightest and most seized point on a car that's covered real mileage, and penetrating oil on those bolts well before you start saves a lot of frustration. New gaskets at the turbo flange and any factory O2 sensor bungs should be checked for fit before final assembly, since a small leak at the down pipe flange is one of the more common comebacks on turbo-back installs.\u003c\/p\u003e\n\n\u003ch2\u003eOrdering Information\u003c\/h2\u003e\n\u003cp\u003eThis VW Mk4 1.8T exhaust system is in stock and ships ready to install. Our \u003ca href=\"\/pages\/shipping\"\u003eShipping Information\u003c\/a\u003e page covers current timelines, and our \u003ca href=\"\/pages\/warranty\"\u003eWarranty\u003c\/a\u003e and \u003ca href=\"\/pages\/returns\"\u003eReturns\u003c\/a\u003e pages explain what to do if anything isn't right on arrival. Not sure this matches your specific Golf or Jetta's engine code? Our \u003ca href=\"\/pages\/request-a-part\"\u003eRequest a Part page\u003c\/a\u003e is the fastest way to confirm before you order.\u003c\/p\u003e\n\n\u003ch2\u003eRelated Parts\u003c\/h2\u003e\n\u003cp\u003eThis system is listed in our \u003ca href=\"\/collections\/exhaust-parts\"\u003eExhaust \u0026amp; Emissions\u003c\/a\u003e collection and our \u003ca href=\"\/collections\/volkswagen\"\u003eVolkswagen\u003c\/a\u003e collection, along with other parts for the Mk4 platform and VW's 1.8T family of engines.\u003c\/p\u003e","brand":"EasyLife Auto Parts","offers":[{"title":"Sliver","offer_id":49810124898532,"sku":"CJQT240506001AZ","price":252.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/0502\/0900\/files\/1935302353830023168.jpg?v=1788762407"},{"product_id":"exhaust-cat-back-n-issan-350z-infiniti-g35-03-08-ban-the-sale-of-amazon","title":"350Z \u0026 G35 Cat-Back Exhaust System - 2003-2008 Coupe\/Convertible","description":"\u003ch2\u003eA Cat-Back Exhaust Built for the 350Z and G35\u003c\/h2\u003e\n\u003cp\u003eThis is a cat-back exhaust system for the 2003-2008 Nissan 350Z (coupe and convertible) and 2003-2008 Infiniti G35 coupe, replacing everything from the catalytic converters back with 3-inch piping and a 4.5-inch flat tip. If the factory exhaust on your VQ35DE feels muffled and you're after a deeper, more noticeable tone along with a modest bump in flow, this is a direct bolt-on system rather than a piece-by-piece build.\u003c\/p\u003e\n\n\u003ch2\u003eWhat \"Cat-Back\" Means Here\u003c\/h2\u003e\n\u003cp\u003eCat-back refers to what's being replaced: everything downstream of the catalytic converters, which is the mid-pipe, muffler, and exhaust tip. Because the cats themselves stay in place, this keeps the car emissions-legal in the sections that matter for inspection while still opening up the flow path enough to change both the sound and, to a smaller degree, the way the engine breathes under load. It's a common first exhaust upgrade on the Z33 platform for exactly that reason — noticeable difference, no cutting into the factory catalytic converters.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3-inch mandrel piping from the mid-pipe back\u003c\/li\u003e\n\u003cli\u003e4.5-inch flat exhaust tip with a removable double-layer silencer insert\u003c\/li\u003e\n\u003cli\u003eDeeper, more noticeable exhaust note than the factory system\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on design using factory hanger locations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: Cat-back exhaust system\u003c\/li\u003e\n\u003cli\u003ePiping diameter: 3 in.\u003c\/li\u003e\n\u003cli\u003eTip size: 4.5 in., flat style\u003c\/li\u003e\n\u003cli\u003eSilencer: Removable double-layer insert\u003c\/li\u003e\n\u003cli\u003eCondition: New\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eFits 2003-2008 Nissan 350Z coupe and convertible models, and 2003-2008 Infiniti G35 coupe models only — the G35 sedan uses a different rear section and needs an additional extension piece that isn't included with this system. If you're working on a sedan, check with us before ordering so you get the right combination the first time.\u003c\/p\u003e\n\n\u003ch2\u003eSound and Performance\u003c\/h2\u003e\n\u003cp\u003eWith the silencer insert in place, the tone is noticeably deeper than stock without tipping into obnoxious at idle; pull the insert and it opens up further for a louder, more aggressive note, which is the point of making it removable in the first place. On the performance side, opening up backpressure from the cats back typically shows up as a modest gain, commonly cited in the 10-15 hp range on a VQ35DE, though the exact number depends on the rest of the car's intake, tune, and overall condition. Professional installation is recommended, both for getting the hangers and clamps seated correctly and for catching any exhaust leaks before they become a rattle you're chasing later.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eMost of this system hangs from the factory rubber isolators, so the swap is mostly a matter of supporting the old exhaust, breaking the band clamps loose, and working it out from the rear — penetrating oil on the clamps and hangers helps if the factory system has been on for a while. Because the silencer insert is removable after the system is installed, it's worth deciding up front whether you want the quieter street setting or the louder open setting day to day, since swapping it later just means pulling the tip again rather than redoing the whole install.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Owners Choose This System\u003c\/h2\u003e\n\u003cp\u003eThe \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Nissan_350Z\"\u003e350Z and its Infiniti G35 sibling\u003c\/a\u003e share the VQ35DE V6 and a chassis that's held up well as a modification platform long after production ended, which is part of why cat-back systems for the Z33 are still in steady demand. For most owners this is a straightforward upgrade over a tired or rattling factory exhaust, or simply a way to get more sound and a bit more flow without touching the catalytic converters or triggering emissions concerns in areas that test the cat-back section.\u003c\/p\u003e\n\n\u003ch2\u003eOrdering Information\u003c\/h2\u003e\n\u003cp\u003eThis 350Z and G35 cat-back exhaust is in stock and ships ready to install. Our \u003ca href=\"\/pages\/shipping\"\u003eShipping Information\u003c\/a\u003e page has current timelines, and our \u003ca href=\"\/pages\/warranty\"\u003eWarranty\u003c\/a\u003e and \u003ca href=\"\/pages\/returns\"\u003eReturns\u003c\/a\u003e pages cover what to do if anything isn't right on arrival. If you're not sure whether your G35 is a coupe or need the sedan extension, our \u003ca href=\"\/pages\/request-a-part\"\u003eRequest a Part page\u003c\/a\u003e is the quickest way to confirm before you order.\u003c\/p\u003e\n\n\u003ch2\u003eRelated Parts\u003c\/h2\u003e\n\u003cp\u003eThis system is listed in our \u003ca href=\"\/collections\/exhaust-parts\"\u003eExhaust \u0026amp; Emissions\u003c\/a\u003e collection and our \u003ca href=\"\/collections\/nissan\"\u003eNissan\u003c\/a\u003e collection, both worth a look if you're planning further work on the Z33 platform or another Nissan in your garage.\u003c\/p\u003e","brand":"EasyLife Auto Parts","offers":[{"title":"Silver","offer_id":49810145312996,"sku":"CJQT239802801AZ","price":208.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/0502\/0900\/files\/904b2f5e-56cc-47a9-ad50-be6dd7520729.jpg?v=1788762565"},{"product_id":"exhaust-header-fit-for-ford-1979-1993-mustang-5-0-v8-gt-lx-svt-ban-the-sale-of-amazon","title":"Fox Body Mustang 5.0 V8 Exhaust Headers - 1982-1993 GT\/LX\/SVT","description":"\u003ch2\u003eLong-Tube Headers for the 5.0 Fox Body\u003c\/h2\u003e\n\u003cp\u003eThese are direct-fit exhaust headers built for the Fox Body Mustang's 5.0L V8, covering GT, LX and SVT Cobra models from 1982 through 1993 (1984 is excluded, since that model year used a different factory exhaust routing than the rest of the run). If your stock manifolds are cracked at the flange, rusted through after years outdoors, or just holding back a 302 that could breathe a lot easier, this header set bolts up to the factory exhaust system without any cutting or custom fabrication.\u003c\/p\u003e\n\n\u003ch2\u003eWhat These Headers Replace\u003c\/h2\u003e\n\u003cp\u003eThe cast-iron exhaust manifolds Ford put on the 5.0 Mustang are restrictive by design and prone to cracking, especially right at the flange where years of heating and cooling eventually take their toll. These headers swap that cast iron for computer mandrel-bent T-304 stainless tubing, which keeps a consistent inside diameter through every bend instead of pinching the flow path the way cheap crush-bent tubing does. The \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Ford_Fox_platform\"\u003eFox Body platform\u003c\/a\u003e ran from 1979 to 1993 and is still one of the most widely modified Mustang generations on the road, so parts built for it, this header set included, are made for a market that knows exactly what it's bolting on and why.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMandrel-bent T-304 stainless steel tubing for consistent, unrestricted flow\u003c\/li\u003e\n\u003cli\u003eCNC-machined flanges, TIG-welded to the primary tubes for a tight seal at the head\u003c\/li\u003e\n\u003cli\u003eResists the rust-through that eventually takes out factory cast-iron manifolds\u003c\/li\u003e\n\u003cli\u003eBolts up to the stock exhaust system on applicable years — no fabrication needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePrimary tube outside diameter: 1 5\/8 in.\u003c\/li\u003e\n\u003cli\u003eInlet size: 1.25 in.\u003c\/li\u003e\n\u003cli\u003eOutlet size: 2.25 in.\u003c\/li\u003e\n\u003cli\u003eMaterial: T-304 stainless steel, mandrel-bent\u003c\/li\u003e\n\u003cli\u003eFlange: CNC-machined, TIG-welded\u003c\/li\u003e\n\u003cli\u003eCondition: New\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eBuilt for 1982-1993 Ford Mustang V8 models — GT, LX and SVT Cobra — fitted with the 5.0L (302) V8 only. This isn't a match for the 2.3L four-cylinder or 3.8L V6 Fox Body cars, and 1984 model-year Mustangs are excluded because that year used a different exhaust configuration than the rest of the range. If you're working from a parts-swapped or modified engine bay and aren't sure which manifold pattern you actually have, it's worth double-checking against your old manifolds before ordering, or reaching out to us first.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Owners Upgrade\u003c\/h2\u003e\n\u003cp\u003eMost people replacing these headers aren't chasing a dyno sheet — they're dealing with a manifold that's finally cracked at the collector or rusted through after fifteen-plus years of daily driving or sitting in a garage through hot summers and cold winters. A stainless header lasts long enough that this is usually a one-time job rather than something you're revisiting every few years. The flow improvement over cast iron is real too, and it's especially noticeable if the car already has a cat-back exhaust and a decent intake that could use less backpressure feeding into them from the front of the system. A lot of Fox Body owners also just like the deeper, slightly rawer exhaust note that comes with ditching the factory manifolds, even before any other exhaust work is done.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eHeader swaps on a Fox Body are a well-documented job in the Mustang community — expect to unbolt the old manifolds, disconnect the O2 sensor if your car has one wired into the stock manifold, and work carefully around the steering shaft and shock tower on the driver's side, which is the tightest clearance point on most 5.0 Mustangs. New gaskets and header bolts are worth having on hand, since reusing old manifold hardware under new thermal stress is a good way to end up with a stripped or snapped bolt in the head. Give the new flange bolts a re-torque after the first few heat cycles, too — it's a small step that saves a lot of chasing exhaust leaks down the road.\u003c\/p\u003e\n\n\u003ch2\u003eOrdering Information\u003c\/h2\u003e\n\u003cp\u003eThese Fox Body Mustang exhaust headers are in stock and ship ready to install. Our \u003ca href=\"\/pages\/shipping\"\u003eShipping Information\u003c\/a\u003e page covers current timelines, and our \u003ca href=\"\/pages\/warranty\"\u003eWarranty\u003c\/a\u003e and \u003ca href=\"\/pages\/returns\"\u003eReturns\u003c\/a\u003e pages explain what happens if anything isn't right on arrival. If you're not fully certain these match your specific Mustang's engine and trim, our \u003ca href=\"\/pages\/request-a-part\"\u003eRequest a Part page\u003c\/a\u003e is the fastest way to confirm fitment before you buy.\u003c\/p\u003e\n\n\u003ch2\u003eRelated Parts\u003c\/h2\u003e\n\u003cp\u003eThese headers are listed in our \u003ca href=\"\/collections\/exhaust-parts\"\u003eExhaust \u0026amp; Emissions\u003c\/a\u003e collection alongside other header and cat-back options, and in our \u003ca href=\"\/collections\/ford\"\u003eFord\u003c\/a\u003e collection with the rest of our Ford-specific inventory. Browsing either is a good way to see what else fits your Mustang, or another Ford in the family, before you check out.\u003c\/p\u003e","brand":"EasyLife Auto Parts","offers":[{"title":"Silver","offer_id":49810156945636,"sku":"CJQT243766001AZ","price":138.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/0502\/0900\/files\/00a1a785-b21d-4e5f-8ff9-cf0918143a9b.jpg?v=1788762727"},{"product_id":"exhaust-manifold-header-for-chevy-camaro-firebird-82-92-third-gen-f-body-ban-the-sale-of-amazon","title":"LS Swap Exhaust Manifold Headers - 1982-1992 Camaro\/Firebird (Third Gen)","description":"\u003ch2\u003eLS Swap Headers for the Third Gen Camaro and Firebird\u003c\/h2\u003e\n\u003cp\u003eThis is a set of exhaust manifold headers built specifically for LS-series engine swaps into a 1982-1992 Chevy Camaro or Firebird, the Third Gen F-Body platform. If you're dropping an LS1, LS2, LS3, or LS6 into one of these cars, factory manifolds and small-block headers aren't going to bolt up cleanly, and that's exactly the gap these headers are built to fill.\u003c\/p\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cp\u003eEach header uses full 1 7\/8 inch primary tubes feeding into a 3 inch collector, sized to move exhaust efficiently off an LS-series V8 without choking it down. That primary and collector sizing is a common sweet spot for street-driven LS swaps — big enough to flow well, not so oversized that you lose low-end torque.\u003c\/p\u003e\n\u003ch2\u003eLS Engines Only — Read This Before Ordering\u003c\/h2\u003e\n\u003cp\u003eThese headers are built for LS1, LS2, LS3, and LS6 engines specifically, for LS-series swaps into the Third Gen F-Body. They will not work on a standard small-block Chevy (SBC) or big-block Chevy (BBC) — the mounting geometry and engine dimensions are different enough that a header built for an LS swap simply won't line up on a traditional small-block or big-block. If you're running an SBC or BBC in your Camaro or Firebird rather than doing an LS swap, this isn't the right header for your build.\u003c\/p\u003e\n\u003ch2\u003eA Clearance Note Worth Knowing Before You Install\u003c\/h2\u003e\n\u003cp\u003eIf your swap uses a larger transmission — a 4L80E or an older Turbo 350 or Turbo 400 — the bellhousing ears may need to be trimmed for proper header clearance. This is a common enough step in LS swap builds that it shouldn't be a surprise, but it's worth planning for before you're halfway through installation rather than finding out mid-job. A die grinder and a bit of patience usually gets the clearance you need.\u003c\/p\u003e\n\u003ch2\u003eWhy Headers Matter on an LS Swap\u003c\/h2\u003e\n\u003cp\u003eWhen you're already going through the work of swapping in an LS engine, running factory-style manifolds or a mismatched header defeats a lot of the purpose. A header built specifically for the swap gives you correct fitment against the LS block and heads, reasonable ground clearance for the F-Body's chassis, and enough flow to let the engine breathe the way it's meant to. Wikipedia's \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Exhaust_manifold\"\u003eexhaust manifold article\u003c\/a\u003e covers the general engineering tradeoffs between manifold and header-style exhaust routing if you want the deeper technical background on why tube length and primary sizing matter for flow.\u003c\/p\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eThese headers are listed as fitting the 1982-1992 Third Gen Camaro, Firebird, and F-Body platform specifically, for LS1\/LS2\/LS3\/LS6 swaps. If you're working on a Fourth Gen F-Body (1993-2002) or a different generation entirely, this isn't the correct header — Third Gen F-Body dimensions and mounting points are specific enough that fitment doesn't carry over between generations.\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eBeyond the bellhousing clearance note above, expect a header install on an LS swap to require careful attention to ground clearance, steering shaft clearance, and starter motor fit, all of which vary depending on the rest of your swap components. If this is your first LS swap, it's worth researching build threads for the Third Gen F-Body specifically before you start, since a lot of the fitment quirks are well documented by people who've done this exact swap before.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: Exhaust manifold headers, LS swap application\u003c\/li\u003e\n\u003cli\u003ePrimary tube diameter: 1 7\/8 inch\u003c\/li\u003e\n\u003cli\u003eCollector size: 3 inch\u003c\/li\u003e\n\u003cli\u003eCompatible engines: LS1, LS2, LS3, LS6\u003c\/li\u003e\n\u003cli\u003eCompatible vehicles: 1982-1992 Chevy Camaro, Firebird, Third Gen F-Body\u003c\/li\u003e\n\u003cli\u003eNot compatible with: Standard SBC or BBC engines\u003c\/li\u003e\n\u003cli\u003eCondition: New\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eOrdering Information\u003c\/h2\u003e\n\u003cp\u003eThese headers are in stock and ship as a set. Our \u003ca href=\"\/pages\/shipping\"\u003eShipping Information\u003c\/a\u003e page covers current timelines, and our \u003ca href=\"\/pages\/warranty\"\u003eWarranty\u003c\/a\u003e and \u003ca href=\"\/pages\/returns\"\u003eReturns\u003c\/a\u003e pages explain the process if anything isn't right on arrival. If you're not sure this matches your specific swap combination, our \u003ca href=\"\/pages\/request-a-part\"\u003eRequest a Part page\u003c\/a\u003e is the fastest way to check before ordering.\u003c\/p\u003e\n\u003ch2\u003eRelated Parts\u003c\/h2\u003e\n\u003cp\u003eThese headers sit in our \u003ca href=\"\/collections\/exhaust-parts\"\u003eexhaust and emissions\u003c\/a\u003e collection and our \u003ca href=\"\/collections\/chevrolet\"\u003eChevrolet\u003c\/a\u003e collection, alongside our broader \u003ca href=\"\/collections\/performance-parts\"\u003eperformance parts\u003c\/a\u003e selection for other swap-related components. If you're working on a later F-Body instead, our \u003ca href=\"\/products\/fuel-gas-pump-sending-module-for-99-02-camaro-base-99-02-firebird-base-3-8l-v6\"\u003eFourth Gen Camaro\/Firebird fuel pump module\u003c\/a\u003e is worth a look for that generation.\u003c\/p\u003e","brand":"EasyLife Auto Parts","offers":[{"title":"Silver","offer_id":49810172674276,"sku":"CJQT239785901AZ","price":259.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/0502\/0900\/files\/be204be4-cb3b-4958-bbb2-36865e869d4b.png?v=1788762881"},{"product_id":"1990-1991-honda-crx-1-5l-4-5-tip-muffler-catback-exhaust-system-ban-the-sale-of-amazon","title":"Honda CRX Catback Exhaust System - 1990-1991 1.5L, 4.5\" Tip","description":"\u003ch2\u003eA Catback Exhaust Built for the 1990-1991 Honda CRX 1.5L\u003c\/h2\u003e\n\u003cp\u003eThis is a catback exhaust system for the 1990-1991 Honda CRX 1.5L, sold complete and ready to bolt on from the catalytic converter back. If you're looking to get a little more sound and flow out of a CRX without going the full custom-fabrication route, a bolt-on catback is usually the simplest and most cost-effective place to start, and that's exactly what this kit is built for.\u003c\/p\u003e\n\u003ch2\u003eWhat a Catback Exhaust Changes\u003c\/h2\u003e\n\u003cp\u003e\"Catback\" just means the section of the exhaust system that runs from the catalytic converter to the tailpipe — the piping, the muffler, and the exhaust tips. Swapping this section for a wider-diameter, mandrel-bent setup like this one typically opens up exhaust flow, which can free up a bit of power and torque depending on the rest of the engine's condition, and it noticeably changes the exhaust note. It doesn't touch anything upstream of the catalytic converter, so your factory emissions equipment stays in place, which matters if you still need to pass inspection in your area.\u003c\/p\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cp\u003eThis kit comes with a rolled inlet section sized at 2.250 inches, stepping up to a 4.0 inch rolled muffler tip, along with a burnt-finish tip option at 2.50 inch inlet and 4.5 inch outlet for a different visual and tone. Both tip styles are included so you can decide which finish and size suit the look you're going for on your CRX. Everything is designed to fit together as a complete catback assembly rather than requiring you to source additional adapters or couplers separately.\u003c\/p\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eThis exhaust system is built specifically for the 1990-1991 Honda CRX with the 1.5L engine. That's a narrow fitment window on purpose — CRX exhaust routing and hanger placement changed enough between trims and model years that a catback built for a different year or engine size usually won't line up correctly. If you're working on a CRX from outside that 1990-1991, 1.5L window, this particular kit isn't the right match, and it's worth double-checking your VIN and engine code before ordering rather than assuming compatibility carries over from a similar-looking model year.\u003c\/p\u003e\n\u003ch2\u003eWhy People Upgrade a CRX Exhaust\u003c\/h2\u003e\n\u003cp\u003eThe CRX has been out of production for a long time now, which means a lot of the exhaust systems still running on these cars are original equipment from the late 1980s and early 1990s — at that age, surface rust, cracked hangers, and blown-out mufflers are common even on cars that have otherwise been well maintained. The \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Honda_CR-X\"\u003eHonda CR-X\u003c\/a\u003e was only in production for a handful of years, which is part of why factory exhaust systems on surviving cars have had so much time to deteriorate. For CRX owners keeping one of these on the road, replacing a tired factory exhaust with a fresh catback solves the rust and leak problems at the same time as giving the car a more aggressive tone than the stock system ever had.\u003c\/p\u003e\n\u003ch2\u003eSound and Tone\u003c\/h2\u003e\n\u003cp\u003eA catback like this one tends to give a noticeably deeper, throatier exhaust note than the stock CRX system without crossing into the kind of drone that makes highway driving unpleasant, though tone is always going to be somewhat subjective and dependent on what's ahead of it in the exhaust system. If you're chasing a specific sound, it's worth looking at reviews or videos of this style of catback on a similar 1.5L Honda before committing, since a muffler that sounds great on one setup can come across differently on another.\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eInstalling a catback exhaust is a job most home mechanics with basic tools and a way to get the car up in the air can handle in an afternoon. Expect to deal with old exhaust hardware that's likely rusted in place after three decades — penetrating oil and patience with the factory bolts and hangers will save you a lot of frustration compared to forcing anything. Since this is a bolt-on system built for the stock hanger locations, you shouldn't need to modify brackets or cut anything to get it to sit correctly, though a test fit before final tightening is always a good idea.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: Catback exhaust system (converter-back)\u003c\/li\u003e\n\u003cli\u003eCompatible vehicle: 1990-1991 Honda CRX, 1.5L engine\u003c\/li\u003e\n\u003cli\u003eRolled tip option: 2.250 inch inlet \/ 4.0 inch outlet\u003c\/li\u003e\n\u003cli\u003eBurnt tip option: 2.50 inch inlet \/ 4.5 inch outlet\u003c\/li\u003e\n\u003cli\u003eCondition: New\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eOrdering Information\u003c\/h2\u003e\n\u003cp\u003eThis catback exhaust is in stock and ships as a complete kit. Our \u003ca href=\"\/pages\/shipping\"\u003eShipping Information\u003c\/a\u003e page has current timelines, and our \u003ca href=\"\/pages\/warranty\"\u003eWarranty\u003c\/a\u003e and \u003ca href=\"\/pages\/returns\"\u003eReturns\u003c\/a\u003e pages cover what happens if anything needs to go back. If you're not sure this is the right fitment for your specific CRX, our \u003ca href=\"\/pages\/request-a-part\"\u003eRequest a Part page\u003c\/a\u003e is the fastest way to confirm before you order.\u003c\/p\u003e\n\u003ch2\u003eRelated Parts\u003c\/h2\u003e\n\u003cp\u003eThis exhaust sits in our \u003ca href=\"\/collections\/exhaust-parts\"\u003eexhaust and emissions\u003c\/a\u003e collection alongside other catback and header options, and in our \u003ca href=\"\/collections\/honda\"\u003eHonda\u003c\/a\u003e collection for owners working on other Honda models. If you're upgrading exhaust flow, it's also worth browsing our broader \u003ca href=\"\/collections\/performance-parts\"\u003eperformance parts\u003c\/a\u003e selection for anything else that pairs well with a freer-flowing exhaust setup.\u003c\/p\u003e","brand":"EasyLife Auto Parts","offers":[{"title":"Silver","offer_id":49813807497444,"sku":"CJQT291416301AZ","price":238.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/0502\/0900\/files\/9030a217-eda0-4155-a24f-9dcd38dcd6c0.png?v=1788790082"},{"product_id":"chevy-corvette-1963-1981-v8-engines-ban-the-sale-of-amazon","title":"Chevy Corvette 1963-1981 V8 Engines   Ban The Sale Of Amazon","description":"\u003cp\u003eFeatures\u003c\/p\u003e\n\u003cp\u003eDual 4-1 Piping Design\u003c\/p\u003e\n\u003cp\u003e1.625\" Inlet and 3\" Outlet\u003c\/p\u003e\n\u003cp\u003e1-5\/8” Primaries\u003c\/p\u003e\n\u003cp\u003e3” Collector\u003c\/p\u003e\n\u003cp\u003e2x Stainless Steel Headers with gaskets and bolts\u003c\/p\u003e\n\u003cp\u003eMade from true T-304 Stainless steel with CNC machine flanges with TIG and MIG welded construction\u003c\/p\u003e\n\u003cp\u003eFitment\u003c\/p\u003e\n\u003cp\u003e1963-1981 Chevy Corvette V8 Engines\u003c\/p\u003e\n\u003cp\u003eDoesn't fit 1977 Chevrolet Corvette Base Coupe 2-Door 5.7L\u003c\/p\u003e\n\u003cp\u003eDoesn't fit 1979 Chevrolet Corvette Base Coupe 2-Door 5.7L\u003c\/p\u003e\n\u003cp\u003eDoesn't fit 1965 Chevrolet Corvette Base Coupe 2-Door 5.3L\u003c\/p\u003e","brand":"EasyLife Auto Parts","offers":[{"title":"Silver","offer_id":49912279793892,"sku":"CJQT239685701AZ","price":205.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/0502\/0900\/files\/895ddd0e-e2e6-4d4a-a1c9-1269adb3c96d.jpg?v=1789826879"},{"product_id":"exhaust-manifold-headers-for-97-14-chevy-small-block-v8-ls1-ls2-ls3-ls6-ban-the-sale-of-amazon","title":"LS Swap Exhaust Headers for Chevy Camaro, Corvette \u0026 Cadillac CTS (LS1\/LS2\/LS3\/LS6)","description":"\u003cp\u003eIf you're doing an LS swap or just tired of the factory cast manifolds choking down your Camaro, Corvette, Firebird, GTO, or Cadillac CTS, these \u003cstrong\u003eChevy LS exhaust headers\u003c\/strong\u003e are built to fix that. They're a tubular, turbo-style header made from 16-gauge steel, designed to bolt in place of the restrictive stock manifolds on LS1, LS2, LS3, LS6, and LSX small block V8 engines and let the motor breathe the way it should.\u003c\/p\u003e\n\n\u003cp\u003eA lot of LS-swapped cars never see a turbo, and that's fine — this header is happy either way. The design listed here is a turbo-style header that can be used for single or twin-turbo builds, but the same features that make it turbo-friendly (thick 3\/8 in. flange, heavy 16-gauge tubing, a 3 in. V-band collector) also make it a genuinely solid header-only upgrade or direct replacement if you're just deleting cracked, warped, or leaking factory manifolds and want something that isn't going to warp again next summer.\u003c\/p\u003e\n\n\u003ch2\u003eChevy LS Exhaust Headers Built for the Small Block Family\u003c\/h2\u003e\n\u003cp\u003eThis header is engineered around the LS-based small block V8 platform — LS1, LS2, LS3, LS6, and LSX — in 5.7L, 6.0L, and 6.2L displacements, with an up-and-forward facing orientation to match factory LS engine bay routing. The primary tubes run 1-7\/8 in. (48mm), stepping into a 3 in. (76mm) collector, with a 1.76\" inlet and 2.89\" outlet. If you're building a V-band exhaust system, the clamp size is 3.0\", with a normal allowable error range of 0.1–0.2 inch, which is worth double-checking against your own V-band hardware before final assembly.\u003c\/p\u003e\n\n\u003cp\u003eHead flange thickness is 3\/8 in. (9.5mm) — thick enough to resist warping from repeated heat cycles, which is the single most common failure point on cheaper stamped-steel headers. Pipe thickness is 16 gauge (1.5mm) mandrel-bent tubing, which holds its shape under welding and under boost instead of collapsing or cracking at the bends the way thin-wall tubing tends to.\u003c\/p\u003e\n\n\u003ch2\u003eConfirmed Fitment\u003c\/h2\u003e\n\u003cp\u003eThis header fits the following LS-powered platforms:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1998-2013 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e1998-2013 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2004-2013 Cadillac CTS\u003c\/li\u003e\n\u003cli\u003e1998-2002 Pontiac Firebird\u003c\/li\u003e\n\u003cli\u003e2004-2006 Pontiac GTO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAll five platforms share the same LS-based small block V8 architecture, so the header bolts to the factory head pattern without spacers, header flange modifications, or cutting. As with any header swap, it's worth double-checking your specific engine code and accessory setup (A\/C compressor location, steering shaft clearance, etc.) since aftermarket accessories or a non-stock oil pan can occasionally change clearance even when the head bolt pattern matches.\u003c\/p\u003e\n\n\u003ch2\u003eWhy This Beats Running the Factory Manifolds\u003c\/h2\u003e\n\u003cp\u003eStock LS manifolds are cast, heavy, and shaped more for underhood packaging than for actual exhaust flow. Over time they crack at the manifold-to-head junction, especially on cars that see track days, towing, or just a lot of highway heat cycling. A tubular header like this one is lighter, flows better because the primary tubes are equal-length round tubing instead of cast passages, and — because it's steel instead of brittle cast iron — it won't shatter if a stud snaps or a bolt backs out on you at the wrong time.\u003c\/p\u003e\n\n\u003cp\u003eIf you're not familiar with how exhaust manifolds are engineered and why tubular headers outperform cast units on flow, the \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Exhaust_manifold\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eWikipedia entry on exhaust manifolds\u003c\/a\u003e is a decent primer on the tradeoffs between cast and tubular designs before you commit to a header swap.\u003c\/p\u003e\n\n\u003cp\u003eInstallation follows the same routine as any header swap on this platform: support the engine, drop the factory manifolds, clean up the head surface, and torque these in with new gaskets and hardware in a couple of even passes rather than cranking one bolt down first. Because the flange is 3\/8 in. thick, it sits flat against the head without the warping-under-torque issues that thinner stamped flanges are prone to, so you shouldn't need to re-torque and re-check for leaks after the first few heat cycles the way you sometimes do with cheaper headers.\u003c\/p\u003e\n\n\u003ch2\u003eTurbo Builds, Straight Swaps, or a Simple Upgrade\u003c\/h2\u003e\n\u003cp\u003eBecause the header type here is turbo-style and rated for single or twin-turbo setups, it's also a strong pick if you're planning a turbo LS build down the road but aren't there yet — you can run it as a straight header now and build the turbo plumbing off the same V-band collector later instead of buying two different headers. For anyone just replacing a cracked or rusted-out factory manifold on a Camaro, Corvette, Firebird, GTO, or CTS, this same header does that job cleanly, without you having to hunt down a turbo-specific part number.\u003c\/p\u003e\n\n\u003cp\u003eEither way, these Chevy LS exhaust headers are a straightforward swap for anyone running an LS1, LS2, LS3, or LS6 who wants a header that won't crack, won't choke the motor down, and gives you room to grow into forced induction if that's where the build eventually goes.\u003c\/p\u003e\n\n\u003ch2\u003eFit Questions, Shipping, and Support\u003c\/h2\u003e\n\u003cp\u003eLS swaps come with enough variables already, so if you're not 100% sure this header matches your specific Camaro, Corvette, CTS, Firebird, or GTO, reach out through our \u003ca href=\"\/pages\/contact\"\u003econtact page\u003c\/a\u003e before you order and we'll help confirm fitment against your engine code. Our \u003ca href=\"\/pages\/faq\"\u003efrequently asked questions page\u003c\/a\u003e covers the most common install and clearance questions we get on LS headers, and our \u003ca href=\"\/pages\/warranty\"\u003ewarranty policy\u003c\/a\u003e spells out what's covered if anything shows up defective out of the box.\u003c\/p\u003e\n\n\u003cp\u003eOnce your order is placed, our \u003ca href=\"\/pages\/shipping\"\u003eshipping information page\u003c\/a\u003e explains processing and delivery timing, and you can follow your package from our \u003ca href=\"\/pages\/track-order\"\u003eorder tracking page\u003c\/a\u003e once it's on the way. If you're after other parts for the same build, browse our full \u003ca href=\"\/collections\/exhaust-parts\"\u003eExhaust \u0026amp; Emissions collection\u003c\/a\u003e or the broader \u003ca href=\"\/collections\/chevrolet\"\u003eChevrolet parts collection\u003c\/a\u003e for more LS and small block V8 components. Can't find something specific for your Camaro, Corvette, CTS, Firebird, or GTO build? Send us a note through \u003ca href=\"\/pages\/request-a-part\"\u003erequest a part\u003c\/a\u003e and we'll try to track it down.\u003c\/p\u003e","brand":"EasyLife Auto Parts","offers":[{"title":"Silver gray","offer_id":49912336056548,"sku":"CJQT239808801AZ","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/0502\/0900\/files\/e40b558e-6b23-4757-9853-c414ea3eeb66.jpg?v=1789827417"},{"product_id":"front-lambda-oxygen-o2-sensor-03l906262p-for-a-udi-a1-a3-a4-a5-a6-a7-a8-q3-q5-q7","title":"Front Lambda Oxygen O2 Sensor 03L906262P for Audi A1 A3 A4 A5 A6 A7 A8","description":"\u003cp\u003eIf you're chasing a check engine light, a rough idle, or fuel economy that's quietly gotten worse, the front oxygen sensor is one of the first places to look. This listing is for a brand new, aftermarket \u003cstrong\u003eAudi A4 A6 oxygen sensor\u003c\/strong\u003e — a 5-wire front (upstream) lambda sensor, OE part number 03L906262P, built to read correctly on a wide range of Audi and other Volkswagen Group vehicles. It's not used or reconditioned; it's a straightforward, correctly-wired replacement for a sensor that wears out on every car eventually.\u003c\/p\u003e\n\n\u003ch2\u003eWhy the front sensor matters more than people think\u003c\/h2\u003e\n\n\u003cp\u003eThere are usually two oxygen sensors per bank on these engines: one upstream (front, pre-catalytic converter) and one downstream (rear, post-cat). The rear sensor mostly just checks that the catalytic converter is doing its job. The front sensor is the one the ECU actually listens to for fuel trim — it measures oxygen content in the exhaust leaving the engine in real time and tells the ECU whether the mixture is running rich or lean, feedback the ECU uses constantly to adjust injector pulse width and keep combustion close to ideal.\u003c\/p\u003e\n\n\u003cp\u003eWhen a front lambda sensor starts to drift or fail — usually from age, oil contamination, or a degraded sensing element — that feedback loop breaks down, the ECU falls back to a fixed map or compensates incorrectly, and that's when you notice it in how the car drives and what it costs to run.\u003c\/p\u003e\n\n\u003ch2\u003eSymptoms of a failing front O2 sensor\u003c\/h2\u003e\n\n\u003cp\u003eA tired or failing upstream sensor doesn't always announce itself with a dramatic failure. More often it shows up as a handful of smaller annoyances that add up:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eCheck engine light on, often with fault codes pointing to O2 sensor circuit performance or fuel trim being out of range\u003c\/li\u003e\n\u003cli\u003eNoticeably worse fuel economy, since the ECU can't fine-tune the air\/fuel mixture without accurate feedback\u003c\/li\u003e\n\u003cli\u003eRough or uneven idle, hesitation on acceleration, or a slight surge at steady cruising speed\u003c\/li\u003e\n\u003cli\u003eA failed emissions or MOT-style test, since incorrect fuel trim skews tailpipe readings even if the catalytic converter itself is fine\u003c\/li\u003e\n\u003cli\u003eA faint sulfur or \"rotten egg\" smell from the exhaust in some cases, as the mixture runs rich\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eNone of these are exclusive to a bad O2 sensor — a vacuum leak or a tired coil can look similar — but if you've got a check engine light with an oxygen sensor or fuel trim code stored, and the sensor is original or unknown-age, it's a cheap part to rule out first.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eType: Front (upstream) lambda \/ oxygen sensor\u003c\/li\u003e\n\u003cli\u003eWiring: 5-wire connector\u003c\/li\u003e\n\u003cli\u003eCondition: Brand new, aftermarket (unbranded)\u003c\/li\u003e\n\u003cli\u003eQuantity: 1x sensor\u003c\/li\u003e\n\u003cli\u003ePrimary OE reference: 03L906262P\u003c\/li\u003e\n\u003cli\u003eAlso cross-references to: 03G906262A, 03G906262C, 03G906262D, 03G906262F, 03G906262H, 03G906262N, 03L906262, 03L906262B, 03L906262F, 03L906262J, 03L906262K, 03L906262S, 045906262, 057906262D, 057906262F, 059906262, 059906262B, 059906262F, 059906262H, 059906262J, 059906262K, 070906262B, 1K0998262AD, 8200406337, 8200230256, 8200351037, 8200616106, 8R0906262, 03C906262D, 0281004027, 0281004085, 0281004086, 0258017052, 0258017111, 0281004148\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAlways match the OE number against your existing sensor or your service documents before ordering — the same platform can carry more than one variant depending on engine and model year.\u003c\/p\u003e\n\n\u003ch2\u003eAudi A4, A6 and Other Audi Models This Oxygen Sensor Fits\u003c\/h2\u003e\n\n\u003cp\u003eThis is a genuinely shared Volkswagen Group part, and it covers a long run of Audi models:\u003c\/p\u003e\n\n\u003cp\u003eA1 (8X1, 8XK) 2.0 from 2011+; A1 Sportback (8XA, 8XF) 2.0 from 2011+; A3 (8P1) 1.9\/2.0, 2003–2012; A3 Cabriolet (8P7) 1.9\/2.0, 2008–2013; A3 Sportback (8PA) 1.9\/2.0, 2004–2013; A4 (8K2, B8) 2.0\/2.7\/3.0, 2007–2015; A4 Allroad (8KH, B8) 2.0\/3.0 quattro, 2009–2016; A4 Avant (8K5, B8) 2.0\/2.7\/3.0, 2008–2015; A5 (8T3) 2.0\/2.7\/3.0, 2007–2017; A5 Cabriolet (8F7) 2.0\/2.7\/3.0, 2009–2017; A5 Sportback (8TA) 2.0\/2.7\/3.0, 2009–2017; A6 (4F2, C6) 2.0\/2.7\/3.0, 2004–2019; A6 Allroad (4FH\/C6, 4GH\/4GJ) 2.7\/3.0, 2006–2014; A6 Avant (4F5\/C6) 2.7\/3.0, 2005–2011; A6 Avant (4G5\/C7\/4GD) 2.0\/3.0, 2011–2019; A7 Sportback (4GA) 3.0, 2010–2018; A8 (4H2\/4H8\/4HC\/4HL) 3.0\/4.2 quattro, 2009–2018; and TT (8J3)\/TT Roadster (8J9) 2.0 quattro, 2008–2014.\u003c\/p\u003e\n\n\u003cp\u003eIf you're working on an \u003cstrong\u003eAudi A4 or A6\u003c\/strong\u003e from the B8\/C6\/C7 era, this is one of the most common front sensor part numbers you'll come across, since those platforms were built in huge numbers with this same emissions setup.\u003c\/p\u003e\n\n\u003ch2\u003eAlso fits the wider Volkswagen Group lineup\u003c\/h2\u003e\n\n\u003cp\u003eBecause Audi, Volkswagen, SEAT, and Skoda share engines and emissions hardware across the same corporate platforms, this sensor and its OE numbers turn up well beyond Audi badges. It also fits Porsche Cayenne (92A) 3.0 Diesel (2010–2019) and Macan (95B) 3.0S Diesel (2014–2019); SEAT Alhambra, Altea, Altea XL, Cordoba, Exeo, Ibiza III\/IV, Leon, and Toledo III; Skoda Fabia II\/Combi, Octavia II\/Combi, Roomster\/Praktik, Superb II\/Kombi, and Yeti; and Volkswagen Amarok, Beetle\/Cabriolet, Caddy III\/IV, Crafter, EOS, Golf Plus\/V\/V Variant\/VI\/VI Cabriolet\/VI Variant, Jetta III\/IV, Multivan V\/VI, Passat\/Alltrack\/CC\/Variant, Phaeton, Polo, Scirocco, Sharan, Tiguan, Touareg, Touran, and Transporter V\/VI. Match the OE number against the list above to confirm fitment — with a shared-platform part like this, the number is more reliable than the model name alone.\u003c\/p\u003e\n\n\u003cp\u003eTo understand more about what this sensor actually measures and why it matters for emissions control, the \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Oxygen_sensor\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eWikipedia article on oxygen sensors\u003c\/a\u003e is a solid, plain-language technical reference.\u003c\/p\u003e\n\n\u003ch2\u003eFitting notes and what's in the box\u003c\/h2\u003e\n\n\u003cp\u003eYou're getting one brand new, unbranded aftermarket front oxygen sensor, 5-wire, ready to install. As with any O2 sensor swap, a light coat of anti-seize on the threads (keeping it off the tip and slots) makes future removal easier, and the connector should click in fully so the ECU gets a clean signal. If you clear codes after fitting, give the car a proper drive cycle first — fuel trim codes often need a few warm-up cycles to fully reset.\u003c\/p\u003e\n\n\u003cp\u003eWe stock this as part of our \u003ca href=\"\/collections\/electrical-parts\"\u003eElectrical Parts range\u003c\/a\u003e and our \u003ca href=\"\/collections\/exhaust-parts\"\u003eExhaust \u0026amp; Emissions collection\u003c\/a\u003e, alongside other sensors and emissions components for Audi and Volkswagen Group vehicles — see our dedicated \u003ca href=\"\/collections\/audi\"\u003eAudi parts collection\u003c\/a\u003e and \u003ca href=\"\/collections\/volkswagen\"\u003eVolkswagen parts collection\u003c\/a\u003e if you're sourcing more than one item for the same car.\u003c\/p\u003e\n\n\u003ch2\u003eQuestions before you order?\u003c\/h2\u003e\n\n\u003cp\u003eCross-referencing an O2 sensor against your chassis code and engine can be fiddly, and we'd rather you check than guess. If you're not sure this is right for your car, \u003ca href=\"\/pages\/contact\"\u003eget in touch with our team\u003c\/a\u003e before ordering, or check our \u003ca href=\"\/pages\/faq\"\u003efrequently asked questions\u003c\/a\u003e for common fitment queries. Once ordered, follow it through our \u003ca href=\"\/pages\/track-order\"\u003eorder tracking page\u003c\/a\u003e, and our \u003ca href=\"\/pages\/shipping\"\u003eshipping information page\u003c\/a\u003e covers dispatch and delivery. Every sensor we sell is backed by our \u003ca href=\"\/pages\/warranty\"\u003ewarranty policy\u003c\/a\u003e. If you need a part that isn't listed yet, our \u003ca href=\"\/pages\/request-a-part\"\u003erequest a part\u003c\/a\u003e page is the quickest way to ask us to source it.\u003c\/p\u003e\n","brand":"EasyLife Auto Parts","offers":[{"title":"A","offer_id":49912370364644,"sku":"CJQT310232901AZ","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/0502\/0900\/files\/99f9be63-c84c-4504-bc4a-61fb63d7c750.jpg?v=1789827862"},{"product_id":"exhaust-header-fit-for-t-oyota-93-98-s-upra-3-0l-non-turbo-ban-the-sale-of-amazon","title":"Stainless Steel Exhaust Header for Toyota Supra MK4 3.0L Non-Turbo (1993-1998)","description":"\u003cp\u003eIf you're hunting for a \u003cstrong\u003eToyota Supra exhaust header\u003c\/strong\u003e that actually fits your car, the first thing to nail down is whether you're running the naturally aspirated 3.0L or one of the twin-turbo variants. This header is built specifically for the NA engine in the 1993-1998 Supra MK4. The non-turbo 2JZ-GE breathes through a completely different exhaust layout than the turbo 2JZ-GTE, so a header designed for one will never bolt up cleanly on the other. If you own the naturally aspirated car, this is your part. If you're running a turbo Supra, keep looking, because this manifold's flange, runner layout, and collector geometry are matched to the NA cylinder head and won't line up with turbo-spec ports.\u003c\/p\u003e\n\n\u003ch2\u003eWhy the Naturally Aspirated Supra Needs Its Own Toyota Supra Exhaust Header\u003c\/h2\u003e\n\u003cp\u003ePeople cross-shop these two engines all the time because they share a family name and a lot of internal architecture, but the exhaust side is where they really part ways. The turbo 2JZ-GTE routes exhaust gas into a pair of turbochargers mounted close to the head, so its manifold is short, compact, and built around turbine flanges. The non-turbo 2JZ-GE has no turbos to feed, which means the factory manifold (and any header built to replace it) is designed purely to scavenge exhaust gas efficiently and get it out to the rest of the system with as little back pressure as possible. That's the whole point of upgrading to a header like this one in the first place: the stock cast-iron manifold on the NA car is restrictive, heavy, and prone to cracking after years of heat cycling. A mandrel-bent stainless header opens up flow, sheds a meaningful amount of weight over the front of the engine, and tends to wake up throttle response and mid-range pull in a way you can actually feel on a naturally aspirated engine that doesn't have boost to fall back on.\u003c\/p\u003e\n\n\u003cp\u003eA header that's \"close enough\" on paper can still leave you fighting clearance issues or a collector that dumps into the wrong size downpipe. Everything here is built around the NA-specific port spacing and flange dimensions, so you're not stuck massaging brackets or drilling new holes to make it work.\u003c\/p\u003e\n\n\u003ch2\u003eBuilt to Last: Material and Construction\u003c\/h2\u003e\n\u003cp\u003eThe header is fabricated from T-304 stainless steel, which is the grade most performance shops reach for when a part is going to live directly under the exhaust ports and see constant heat cycling for years. It resists scaling, discoloration, and rust far better than aluminized or mild steel, so you're not looking at a header that turns brown and flaky after one winter. The tubes are computerized mandrel-bent rather than crush-bent, which keeps the inner diameter consistent through every curve instead of pinching down at the bends the way cheaper crush-bent headers do. Every joint is TIG-welded by hand, which gives you clean, consistent beads and a much lower chance of a pinhole leak showing up down the road. The mounting flange is CNC-machined rather than stamped or hand-cut, so it sits flat against the head and seals properly with a standard gasket instead of requiring you to shim or re-surface anything to stop a leak.\u003c\/p\u003e\n\n\u003cp\u003eNone of this is decorative. A header that isn't dimensionally consistent flows worse than the part it replaced, and a flange that isn't flat will leak and leave you chasing a tick under load.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFitment: 1993-1998 Toyota Supra MK4, naturally aspirated (non-turbo) 3.0L only — not compatible with turbo Supra models\u003c\/li\u003e\n\u003cli\u003eInlet \/ Outlet: 1.50\" \/ 2.50\"\u003c\/li\u003e\n\u003cli\u003ePrimary piping: 1.50\" diameter across 6 mandrel-bent manifold runners\u003c\/li\u003e\n\u003cli\u003eMerge piping: runners collect down to 2.00\" on the two outlet-side pipes\u003c\/li\u003e\n\u003cli\u003ePort shape: standard round (\"O\") port\u003c\/li\u003e\n\u003cli\u003ePort inner diameter: 1.4 inch\u003c\/li\u003e\n\u003cli\u003eCollector diameter: 2.25 inch\u003c\/li\u003e\n\u003cli\u003eOutlet diameter: 1.9 inch\u003c\/li\u003e\n\u003cli\u003eO2 sensor bungs: 2, pre-installed\u003c\/li\u003e\n\u003cli\u003eFlange thickness: 3\/8 inch, CNC-machined\u003c\/li\u003e\n\u003cli\u003eMaterial: T-304 stainless steel\u003c\/li\u003e\n\u003cli\u003eConstruction: computerized mandrel-bent tubing, hand TIG-welded joints\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eBecause the flange is machined to spec and the port sizing matches the NA head, this goes in the same way the factory manifold came off, just with a header instead of a heavy cast piece in your hands. Start with a fresh gasket at the head and give the flange bolts a light coat of anti-seize before torquing them down, since that junction sees the most heat in the whole system. The two O2 bungs are already welded into the collector area, so you're not stuck cutting and welding your own bungs to get your sensors back in place. If your downstream piping was built for the factory manifold's outlet, check it against the 1.9 inch outlet here before bolting everything back up, since aftermarket midpipes vary quite a bit even on the same car.\u003c\/p\u003e\n\n\u003cp\u003eIf you want more background on how headers are engineered and why runner length and collector design matter for flow, the \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Exhaust_manifold\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eWikipedia entry on exhaust manifolds\u003c\/a\u003e is a solid, neutral overview of the engineering behind it.\u003c\/p\u003e\n\n\u003ch2\u003eOrdering, Support, and Peace of Mind\u003c\/h2\u003e\n\u003cp\u003eWe know buying an exhaust header sight unseen for a 30-year-old car can feel like a gamble, especially with how much garbage fitment data floats around for these platforms. If you have questions about this Toyota Supra exhaust header before you buy, our team is easy to reach through our \u003ca href=\"\/pages\/contact\"\u003econtact page\u003c\/a\u003e, and a lot of the common questions about fitment, gaskets, and hardware are already answered on our \u003ca href=\"\/pages\/faq\"\u003efrequently asked questions page\u003c\/a\u003e. Every header we sell is backed by our \u003ca href=\"\/pages\/warranty\"\u003ewarranty policy\u003c\/a\u003e, so you're covered if something isn't right out of the box.\u003c\/p\u003e\n\n\u003cp\u003eOnce you've placed an order, you can check our \u003ca href=\"\/pages\/shipping\"\u003eshipping information page\u003c\/a\u003e for handling times, and use our \u003ca href=\"\/pages\/track-order\"\u003eorder tracking page\u003c\/a\u003e to see exactly where your package is. If you're working on other parts of your Supra build and don't see what you need, our \u003ca href=\"\/pages\/request-a-part\"\u003erequest-a-part page\u003c\/a\u003e lets you tell us what you're after so we can try to source it. You can also browse the rest of our \u003ca href=\"\/collections\/exhaust-parts\"\u003eExhaust \u0026amp; Emissions collection\u003c\/a\u003e for cats, midpipes, and gaskets to finish the system, or check our full \u003ca href=\"\/collections\/toyota\"\u003eToyota parts collection\u003c\/a\u003e if you're sourcing more than just the exhaust for your Supra.\u003c\/p\u003e\n\n\u003cp\u003eThis header exists for one reason: to give naturally aspirated Supra owners a direct-fit, well-built alternative to a tired factory manifold, without any of the guesswork that comes with generic \"fits most\" listings. If your Supra is the NA 3.0L, this is built for exactly that engine, and nothing else.\u003c\/p\u003e","brand":"EasyLife Auto Parts","offers":[{"title":"Silver","offer_id":49913367593188,"sku":"CJQT243756501AZ","price":166.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/0502\/0900\/files\/d56059c6-a68f-4551-b7bd-5ad438dd96df.jpg?v=1789841263"},{"product_id":"02-16-silverado-1500-2500hd-3500hd-4-8-5-3-6-0l","title":"Long Tube Exhaust Header for Chevy Silverado 1500\/2500HD\/3500HD 4.8L 5.3L 6.0L (2002-2016)","description":"\u003ch2\u003eChevy Silverado Exhaust Header Built for Real Airflow Gains\u003c\/h2\u003e\n\n\u003cp\u003eIf you're shopping for a Chevy Silverado exhaust header, you already know the stock manifold on these trucks is basically an afterthought from the factory — a restrictive casting that chokes the engine down long before the exhaust ever reaches the cats. This long tube header replaces that cast log with mandrel-bent 16-gauge steel tubing, and the difference in exhaust flow is noticeable right away. Owners running the 4.8L, 5.3L, 6.0L, and 6.2L V8s in these trucks have leaned on long tube headers for years because it's one of the few bolt-on upgrades that actually delivers what it promises.\u003c\/p\u003e\n\n\u003cp\u003eThis isn't a generic universal-fit header you have to force into place. It's built around the Silverado's engine bay, so the tubes route where they need to without fighting the steering shaft, the frame rail, or your oil pan. The head flanges are laser-cut from 3\/8-inch steel plate, thick enough that they hold their shape under repeated heat cycling instead of warping the way thinner stamped flanges eventually do.\u003c\/p\u003e\n\n\u003ch3\u003eWhat You're Actually Getting\u003c\/h3\u003e\n\n\u003cp\u003eEvery tube here is mandrel bent, not crush bent, and that distinction matters more than a lot of people realize. A mandrel bender keeps the inside diameter of the tube consistent through every curve, so you're not choking flow at the exact spots where you need it most. Crush-bent tubing — the cheaper way to make a header — pinches the inside of every bend, which undoes a good chunk of the benefit before it starts. Built from 16-gauge mild steel, these tubes are meant to hold up to the heat and vibration a truck engine bay puts them through, day after day.\u003c\/p\u003e\n\n\u003cp\u003eThe inlet side is sized at 1.75 inches to match port flow off these engines, stepping up to a 2.25-inch outlet. That step-up keeps exhaust velocity where you want it through the mid-range while still opening the system up enough to let the engine breathe at higher RPM. Shops and DIY installers running this header report gains in the 10-15 hp and torque range, which lines up with what a well-designed long tube header should do on this platform — we're not going to promise you more than that, because that's honestly what the part delivers.\u003c\/p\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\n\u003cp\u003eThis header is engineered for a specific range of GM trucks, so confirm your exact year and engine before ordering:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e2002-2013 Chevy Silverado 1500 — 4.8L, 5.3L, 6.0L, 6.2L\u003c\/li\u003e\n\u003cli\u003e2007-2016 Chevy Silverado 2500HD and 3500HD — 6.0L\u003c\/li\u003e\n\u003cli\u003e2007 Chevy Silverado Classic — 4.8L, 5.3L, 6.0L\u003c\/li\u003e\n\u003cli\u003e2007 Chevy Silverado 2500HD Classic — 6.0L\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eKeep in mind GM sold two different body styles in 2007 — the outgoing \"Classic\" and the redesigned truck — so if your Silverado is a 2007 model, double check which one you have before placing your order. If you're not sure, reach out through our \u003ca href=\"\/pages\/contact\"\u003econtact page\u003c\/a\u003e and we'll help confirm fitment before you buy.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eInlet diameter: 1.75\"\u003c\/li\u003e\n\u003cli\u003eOutlet diameter: 2.25\"\u003c\/li\u003e\n\u003cli\u003eTube construction: mandrel-bent 16-gauge mild steel\u003c\/li\u003e\n\u003cli\u003eHead flanges: laser-cut 3\/8\" thick steel plate\u003c\/li\u003e\n\u003cli\u003eEstimated output gain: 10-15 hp \/ tq (varies by vehicle and setup)\u003c\/li\u003e\n\u003cli\u003eFitment: 2002-2016 Chevy Silverado 1500 \/ 2500HD \/ 3500HD, see fitment list above for exact years and engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy a Long Tube Header Beats a Cast Manifold\u003c\/h3\u003e\n\n\u003cp\u003eA cast exhaust manifold is designed around cost and packaging, not airflow. The runners are short, uneven in length, and the inside of the casting itself is rough, which creates turbulence right at the point where exhaust pulses are trying to exit the cylinder head. A long tube header evens out those runner lengths and smooths the path, which is the whole point of running a header instead of a manifold in the first place. If you want the deeper mechanical explanation of how exhaust manifolds and headers actually work, \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Exhaust_manifold\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eWikipedia has a solid write-up\u003c\/a\u003e on the engineering behind it.\u003c\/p\u003e\n\n\u003cp\u003eFor a truck that tows, hauls, or just gets driven hard on a regular basis, that improvement in scavenging isn't only a dyno number — it's less heat soak under the hood, a quicker exhaust pulse, and an engine that isn't working as hard to push spent gases out of the cylinder. It's a genuinely useful upgrade, not just something that changes the sound.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\n\u003cp\u003eThis is a bolt-on header designed to work with your factory-style connections, but like any header swap on a truck this size, plan on spending a full afternoon under the hood — longer if your factory hardware has years of rust on it. Anti-seize on the bolt threads and a fresh set of gaskets at the flange are worth having on hand before you start. If questions come up mid-install, check our \u003ca href=\"\/pages\/faq\"\u003eFAQ page\u003c\/a\u003e first — a lot of the common header-swap questions, like torque specs and whether you'll need an O2 sensor extension, are already answered there.\u003c\/p\u003e\n\n\u003ch3\u003eOrdering, Shipping, and Support\u003c\/h3\u003e\n\n\u003cp\u003eWe ship these headers worldwide, and you can track your order any time from our \u003ca href=\"\/pages\/track-order\"\u003eorder tracking page\u003c\/a\u003e once it's on its way. Full details on delivery windows and carrier options live on our \u003ca href=\"\/pages\/shipping\"\u003eshipping page\u003c\/a\u003e. Every header we sell is backed by our standard \u003ca href=\"\/pages\/warranty\"\u003ewarranty\u003c\/a\u003e, so if something isn't right out of the box, we'll make it right.\u003c\/p\u003e\n\n\u003cp\u003eLooking for more than just the header? Browse the rest of our \u003ca href=\"\/collections\/exhaust-parts\"\u003eexhaust and emissions parts\u003c\/a\u003e to round out the build with matching gaskets, hardware, or a cat-back system. And if there's a specific part for your Silverado that you can't find on the site, our \u003ca href=\"\/pages\/request-a-part\"\u003erequest a part\u003c\/a\u003e page lets you send the details straight to us — we add new parts to the catalog based on what customers are actually asking for.\u003c\/p\u003e\n\n\u003cp\u003eBottom line: if you've been looking for a Chevy Silverado exhaust header that's actually built to the specs it advertises — real mandrel bends, thick laser-cut flanges, and sizing that matches these engines — this is it. Order with confidence knowing your year and engine combination is covered by the fitment list above.\u003c\/p\u003e","brand":"EasyLife Auto Parts","offers":[{"title":"Silver","offer_id":49913406357732,"sku":"CJQT279430501AZ","price":178.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/0502\/0900\/files\/9618abbe-beca-413b-a410-c6ffe6cd9402.png?v=1789841831"},{"product_id":"2-5-electric-exhaust-downpipe-cutout-07-08-infiniti-g35-92-93-honda-civic-e-cut-out-valve-remote-electric","title":"2.5 Electric Exhaust Downpipe Cutout 07-08 Infiniti G35 92-93 Honda Civic E-Cut Out Valve REMOTE Electric","description":"\u003cdiv\u003e\n \u003cp\u003e\u003c\/p\u003e\n \u003cp\u003e\n  \u003cspan\u003e\n   \u003cspan\u003eFeatures\u003c\/span\u003e\n  \u003c\/span\u003e\n \u003c\/p\u003e\n \u003cp\u003e\n  \u003cspan\u003e\n   \u003cspan\u003eInlet\/ Major Piping Diameters: 2.5\" Tube\u003c\/span\u003e\n  \u003c\/span\u003e\n \u003c\/p\u003e\n \u003cp\u003e\n  \u003cspan\u003e\n   \u003cspan\u003eCNC Mandrel Electric cutout Kit, High-performance racing spec\u003c\/span\u003e\n  \u003c\/span\u003e\n \u003c\/p\u003e\n \u003cp\u003e\n  \u003cspan\u003e\n   \u003cspan\u003ePipings-Made of high-quality T-304 stainless steel with computerized\u003c\/span\u003e\n  \u003c\/span\u003e\n \u003c\/p\u003e\n \u003cp\u003e\n  \u003cspan\u003e\n   \u003cspan\u003eIncreases 10-20 horsepower\u003c\/span\u003e\n  \u003c\/span\u003e\n \u003c\/p\u003e\n \u003cp\u003e\n  \u003cspan\u003e\n   \u003cspan\u003eElectrically controlled exhaust valves outflow, simply by flipping the switch\u003c\/span\u003e\n  \u003c\/span\u003e\n \u003c\/p\u003e\n \u003cp\u003e\n  \u003cspan\u003e\n   \u003cspan\u003eIncrease engine output and efficiency\u003c\/span\u003e\n  \u003c\/span\u003e\n \u003c\/p\u003e\n \u003cp\u003e\n  \u003cspan\u003e\n   \u003cspan\u003eAggressive deep sound while ensuring smooth exhaust gas flow\u003c\/span\u003e\n  \u003c\/span\u003e\n \u003c\/p\u003e\n \u003cp\u003e\n  \u003cspan\u003e\n   \u003cspan\u003eApplication:2.5\" Exhaust Piping (Not A Direct Bolt-On Item), please make sure the size and the Compatibility before you order the item\u003c\/span\u003e\n  \u003c\/span\u003e\n \u003c\/p\u003e\n \u003cp\u003e\n  \u003cspan\u003e\n   \u003cspan\u003eSpecifics\u003c\/span\u003e\n  \u003c\/span\u003e\n \u003c\/p\u003e\n \u003cp\u003e\n  \u003cspan\u003e\n   \u003cspan\u003eFitment Type: Direct Replacement\u003c\/span\u003e\n  \u003c\/span\u003e\n \u003c\/p\u003e\n \u003cp\u003e\n  \u003cspan\u003e\n   \u003cspan\u003eMounting Style: Clamp-on\u003c\/span\u003e\n  \u003c\/span\u003e\n \u003c\/p\u003e\n \u003cp\u003e\n  \u003cspan\u003e\n   \u003cspan\u003eMounting Hardware Included: Yes\u003c\/span\u003e\n  \u003c\/span\u003e\n \u003c\/p\u003e\n \u003cp\u003e\n  \u003cspan\u003e\n   \u003cspan\u003eItem Diameter (Exterior): 2.5\u003c\/span\u003e\n  \u003c\/span\u003e\n \u003c\/p\u003e\n \u003cp\u003e\n  \u003cspan\u003e\n   \u003cspan\u003eColor: Chrome\u003c\/span\u003e\n  \u003c\/span\u003e\n \u003c\/p\u003e\n \u003cp\u003e\n  \u003cspan\u003e\n   \u003cspan\u003ePlacement on Vehicle: Rear\u003c\/span\u003e\n  \u003c\/span\u003e\n \u003c\/p\u003e\n \u003cp\u003e\n  \u003cspan\u003e\n   \u003cspan\u003eType: Exhaust cutout\u003c\/span\u003e\n  \u003c\/span\u003e\n \u003c\/p\u003e\n \u003cp\u003e\n  \u003cspan\u003e\n   \u003cspan\u003eModified Item: No\u003c\/span\u003e\n  \u003c\/span\u003e\n \u003c\/p\u003e\n \u003cp\u003e\n  \u003cspan\u003e\n   \u003cspan\u003eIncludes:1 x Electric exhaust cut out, 1 x Wireless Remote, 1 x Y-Adaptor, 1 x Wire Harness, 1 x Motor, As the picture shown\u003c\/span\u003e\n  \u003c\/span\u003e\n \u003c\/p\u003e\n \u003cp\u003e\u003c\/p\u003e\n \u003cbr\u003e\n \u003cdiv\u003e\n  \u003cimg alt=\"排气管 2.5 Electric Exhaust Downpipe Cutout 07-08 Infiniti G35 92-93 Honda Civic E-Cut Out Valve REMOTE Electric(禁售TEMU\u0026amp;亚马逊)(不支持无理由退货)-6\" src=\"https:\/\/cf.cjdropshipping.com\/doba-import\/b1fda426c28b4e8098bba3439ad07ed7.jpg\"\u003e\n  \u003cimg alt=\"排气管 2.5 Electric Exhaust Downpipe Cutout 07-08 Infiniti G35 92-93 Honda Civic E-Cut Out Valve REMOTE Electric(禁售TEMU\u0026amp;亚马逊)(不支持无理由退货)-7\" src=\"https:\/\/cf.cjdropshipping.com\/doba-import\/4d9b892c3c93417e8de48548a77eb07b.jpg\"\u003e\n  \u003cimg alt=\"排气管 2.5 Electric Exhaust Downpipe Cutout 07-08 Infiniti G35 92-93 Honda Civic E-Cut Out Valve REMOTE Electric(禁售TEMU\u0026amp;亚马逊)(不支持无理由退货)-8\" src=\"https:\/\/cf.cjdropshipping.com\/doba-import\/1639d9c969014ca4a68ed987a7e37135.jpg\"\u003e\n  \u003cimg alt=\"排气管 2.5 Electric Exhaust Downpipe Cutout 07-08 Infiniti G35 92-93 Honda Civic E-Cut Out Valve REMOTE Electric(禁售TEMU\u0026amp;亚马逊)(不支持无理由退货)-9\" src=\"https:\/\/cf.cjdropshipping.com\/doba-import\/ffe2d20743b640fc9fc7c39cd440288e.jpg\"\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e","brand":"EasyLife Auto Parts","offers":[{"title":"as picture","offer_id":49917599482084,"sku":"CJQT31458860001","price":157.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/0502\/0900\/files\/e77b5f2255d84e5f87e1d5c2535a40f7.webp?v=1789893206"},{"product_id":"exhaust-downpipe-for-03-07-350z-infiniti-g35-3-5z-dohc-ban-the-sale-of-amazon","title":"Exhaust Downpipe For 03-07 350Z Infiniti G35 3.5Z DOHC Ban The Sale Of Amazon","description":"\u003cp\u003eFeatures\u003c\/p\u003e\n\u003cp\u003eInlet Side: 2.5\"\u003c\/p\u003e\n\u003cp\u003eOutlet Side: 3.0\"\u003c\/p\u003e\n\u003cp\u003eMade of high quality 201 stainless steel with computerized mandrel-bends for strength and durability\u003c\/p\u003e\n\u003cp\u003eDyno proven increases low end torque and horsepower\u003c\/p\u003e\n\u003cp\u003eDouble welded flex pipe insertion\u003c\/p\u003e\n\u003cp\u003eIncrease high flow air, instantly gain 10 to 20 horsepower\u003c\/p\u003e\n\u003cp\u003eAggressive deep sound while ensures smooth exhaust gas flow\u003c\/p\u003e\n\u003cp\u003eFitment\u003c\/p\u003e\n\u003cp\u003e2003-2009 Nissan 350Z 3.5L\u003c\/p\u003e\n\u003cp\u003e2005, 2007 Infiniti G35\u003c\/p\u003e","brand":"EasyLife Auto Parts","offers":[{"title":"Silver","offer_id":49917829054692,"sku":"CJQT240404201AZ","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/0502\/0900\/files\/1934884352693637120.jpg?v=1789896168"},{"product_id":"exhaust-manifold-header-for-ford-f150-f250-expedition-v8-5-4-97-03","title":"Exhaust Manifold Header for Ford F-150, F-250 \u0026 Expedition 5.4L V8 (1997-2003)","description":"\u003ch2\u003eFord F-150 5.4L Exhaust Manifold Header – Fits F-250 \u0026amp; Expedition Too\u003c\/h2\u003e\n\n\u003cp\u003eThis is a direct-fit exhaust manifold header built for the Ford 5.4L V8, covering the F-150, F-250, and Expedition across their late-90s to early-2000s production years. If your factory manifold has cracked, is leaking at the flange, or you've just had enough of the exhaust drone and hunting sound that comes with a warped stock header on a truck this age, this replaces it as a bolt-on part — no cutting, no custom fabrication.\u003c\/p\u003e\n\n\u003ch3\u003eWhy the Factory Manifold on These Trucks Fails\u003c\/h3\u003e\n\u003cp\u003eThe 5.4L Triton V8 in this generation of F-150, F-250, and Expedition is a solid engine, but the cast-iron exhaust manifolds it left the factory with are known for warping and cracking after years of heat cycling. Every time you start the truck cold and then drive it until the engine's fully warmed up, the manifold expands and contracts, and eventually that stress finds the weak point — usually right at the flange near the head. Once it cracks, you'll hear it as a ticking or popping noise on cold start that fades as the engine warms and the metal expands enough to close the gap. Left alone, it usually gets louder over time, not better.\u003c\/p\u003e\n\n\u003ch3\u003eSigns You're Dealing With a Cracked Manifold\u003c\/h3\u003e\n\u003cp\u003eBesides the cold-start ticking, a cracked exhaust manifold on the 5.4L usually shows up in a few other ways. You might notice a faint exhaust smell in the cabin when the windows are cracked, especially at idle, since the leak is happening before the exhaust gets routed away from the engine bay. Some owners also see a check engine light come on, because the leak lets extra outside air into the exhaust stream ahead of the oxygen sensor, which throws off the readings the engine computer uses to manage the air-fuel mixture. None of these symptoms are unique to a bad manifold on their own, but on an F-150, F-250, or Expedition with the 5.4L that's ticking on cold starts, it's usually the manifold once you rule out the easier stuff like a loose heat shield.\u003c\/p\u003e\n\n\u003ch3\u003eWhat This Header Is Built For\u003c\/h3\u003e\n\u003cp\u003eThis exhaust manifold header has a 2.50\" outlet size and a 1.50\" primary tube size, with a head flange thickness of 7\/16\" and an outlet flange thickness of 3\/8\". Those dimensions match the factory routing, so it bolts up to the stock exhaust system without needing an adapter or a shop modifying anything to make it fit.\u003c\/p\u003e\n\n\u003cp\u003eFitment covers the Ford F-150 for the 1997, 1998, 1999, 2000, 2001, and 2003 model years with the 5.4L V8 engine, though there are documented exceptions: the 2000 F-150 Lariat Extended Cab Pickup 4-Door 5.4L, the 1997 F150 XLT, and the 2003 F-150 Lariat Extended are not covered. On the F-250 side, it fits 1997, 1999, 2000, 2001, 2002, and 2003 models with the 5.4L V8, excluding the 2001 F-250 and the 2002 F-250 Super Duty XLT Extended Cab Pickup 4-Door 5.4L 330 cubic-inch V8 gas SOHC naturally aspirated configuration. For the Expedition, it covers 1998 through 2003 with the 5.4L V8 across the board. Because Ford changed trim-specific exhaust routing more than once during these years, it's worth double-checking your exact year, trim, and cab configuration against these exceptions before you order, or reaching out through our \u003ca href=\"\/pages\/request-a-part\"\u003erequest a part\u003c\/a\u003e page if you're not sure your specific build is covered.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOutlet Size: 2.50\"\u003c\/li\u003e\n\u003cli\u003ePrimary Tube Size: 1.50\"\u003c\/li\u003e\n\u003cli\u003eHead Flange Thickness: 7\/16\"\u003c\/li\u003e\n\u003cli\u003eOutlet Flange Thickness: 3\/8\"\u003c\/li\u003e\n\u003cli\u003eFitment: Ford F-150 (1997-2001, 2003), Ford F-250 (1997, 1999-2003), Ford Expedition (1998-2003), all 5.4L V8 — see listed exceptions above\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cp\u003eThis is a manifold-only replacement, so you'll be working with the factory downpipe and gaskets unless you're replacing those separately while you have access. Most people doing this in a home garage budget a full day for it, mainly because reaching the rear manifold bolts on a V8 usually means working from underneath and sometimes pulling a wheel or the starter for clearance, not because the header itself is complicated to install. New gaskets and fresh manifold bolts (not the old, heat-cycled ones) go a long way toward preventing an exhaust leak from showing up again a few months down the road, since reusing bolts that have already stretched from years of heat cycling is one of the more common reasons a \"fixed\" manifold starts ticking again a season later.\u003c\/p\u003e\n\n\u003cp\u003eIt also doesn't hurt to soak the manifold bolts and studs in penetrating oil the night before if the truck has any age or rust on it. Rounding off a stuck bolt down in that engine bay turns a straightforward swap into a much longer afternoon, and a little patience up front usually saves more time than it costs.\u003c\/p\u003e\n\n\u003ch3\u003eFit Confidence and Support\u003c\/h3\u003e\n\u003cp\u003eBecause this engine and body combination spans several model years with a handful of trim-specific exceptions, we'd rather you ask before you order than deal with a return afterward. Our \u003ca href=\"\/pages\/faq\"\u003eFAQ page\u003c\/a\u003e covers the fitment questions we hear most often on this exact part, and our \u003ca href=\"\/pages\/warranty\"\u003ewarranty information\u003c\/a\u003e page explains what's covered if something isn't right. You can also reach us directly through our \u003ca href=\"\/pages\/contact\"\u003econtact page\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eShipping and Order Tracking\u003c\/h3\u003e\n\u003cp\u003eOur \u003ca href=\"\/pages\/shipping\"\u003eshipping information\u003c\/a\u003e page has our current processing times, and once your header is on its way you can follow it from our \u003ca href=\"\/pages\/track-order\"\u003etrack your order\u003c\/a\u003e page. We ship worldwide, so this part reaches customers well beyond wherever our warehouse happens to be.\u003c\/p\u003e\n\n\u003ch3\u003eMore for Your Truck\u003c\/h3\u003e\n\u003cp\u003eThis header lives in our \u003ca href=\"\/collections\/exhaust-parts\"\u003eExhaust \u0026amp; Emissions collection\u003c\/a\u003e alongside the other manifolds, headers, and exhaust components we stock for a range of vehicles. If you want a deeper technical breakdown of how an exhaust manifold does its job and why the routing matters for how the engine breathes, \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Exhaust_manifold\" rel=\"noopener\"\u003ethis reference on exhaust manifold design\u003c\/a\u003e is a solid starting point.\u003c\/p\u003e\n\n\u003cp\u003eIf your F-150, F-250, or Expedition has that telltale cold-start tick under the hood, a new exhaust manifold header built to the factory 2.50\" outlet spec is the straightforward fix, and it's a part we keep in stock precisely because this failure is so common on the 5.4L V8.\u003c\/p\u003e","brand":"EasyLife Auto Parts","offers":[{"title":"Silver","offer_id":49917876699364,"sku":"CJQT240029101AZ","price":167.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/0502\/0900\/files\/3d740769-020c-48b4-ac63-fd3593c80005.jpg?v=1789897202"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/0502\/0900\/collections\/9618abbe-beca-413b-a410-c6ffe6cd9402.png?v=1791872950","url":"https:\/\/easylifeautoparts.com\/collections\/exhaust-parts.oembed","provider":"Easy Life Auto Parts","version":"1.0","type":"link"}