{"product_id":"kooks-1997-2004-c5-corvette-header-x-pipe-kits-d739b426","title":"Kooks Header and X-Pipe Kits for Corvette C5 (2001-2004)","description":"\u003ch2\u003eEnjoy more of your C5 with a complete header package\u003c\/h2\u003e\u003cp\u003eThe C5 has a V8 worth building an exhaust around. These Kooks packages combine stainless long tube headers and an X-pipe for the 2001-2004 Corvette 5.7 LS1 or LS6, with the emissions fittings for that year group. Choose the primary and catalyst combination for your engine, then use the supplied OEM rear connection to retain the compatible factory rear exhaust.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSKUs:\u003c\/strong\u003e 2152H220, 2152H230, 2152H420, 2152H430\u003c\/p\u003e\u003ch2\u003eThe correct emissions fittings for your year group\u003c\/h2\u003e\u003cp\u003eEvery option on this page is the version with emissions fittings for 2001-2004 cars. That matters when comparing C5 kits: an earlier-year version or a kit without those fittings is a different specification, even if the primary size looks the same.\u003c\/p\u003e\u003ch2\u003eChoose the catalyst for the engine\u003c\/h2\u003e\u003cp\u003eThe 1-3\/4\" and 1-7\/8\" primary options both use 3\" collectors. Performance Cats are for naturally aspirated applications; GREEN catalysts also support forced induction within their rating. Choose the engine and catalyst combination together before arranging the tune.\u003c\/p\u003e\u003ch2\u003eKeep the rear exhaust you already enjoy\u003c\/h2\u003e\u003cp\u003eThe X-pipe arrangement provides a 2-1\/2\" OEM rear connection, letting you retain the compatible factory rear exhaust as part of the long tube upgrade. Professional fitting is recommended, followed by checks for leaks, heat clearance and fasteners after the first heat cycle.\u003c\/p\u003e\u003ch2\u003eTuning for your header upgrade\u003c\/h2\u003e\u003cp\u003eWe recommend a tune with these headers, matched to your engine and the completed exhaust. \u003ca href=\"https:\/\/hooniesadrenaline.co.uk\/pages\/contact\"\u003eTalk to us about tuning\u003c\/a\u003e for your vehicle and modifications.\u003c\/p\u003e\u003ch2\u003eChoose your option\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSKU\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eHeader Size\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eCat Type\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eIncludes Emissions Fittings\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eFitting \/ contents\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eStated use restriction\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2152H220\u003c\/td\u003e\n\u003ctd\u003e1-3\/4\"\u003c\/td\u003e\n\u003ctd\u003ePerformance Cats\u003c\/td\u003e\n\u003ctd\u003eYes (2001-2004)\u003c\/td\u003e\n\u003ctd\u003eHeader pair and X-pipe; 2001-2004 emissions fittings included; 2-1\/2\" OEM rear outlet.\u003c\/td\u003e\n\u003ctd\u003eCompetition, off-road and track use only. Not for use on public roads.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2152H230\u003c\/td\u003e\n\u003ctd\u003e1-3\/4\"\u003c\/td\u003e\n\u003ctd\u003eGREEN Cats\u003c\/td\u003e\n\u003ctd\u003eYes (2001-2004)\u003c\/td\u003e\n\u003ctd\u003eHeader pair and X-pipe; 2001-2004 emissions fittings included; 2-1\/2\" OEM rear outlet.\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2152H420\u003c\/td\u003e\n\u003ctd\u003e1-7\/8\"\u003c\/td\u003e\n\u003ctd\u003ePerformance Cats\u003c\/td\u003e\n\u003ctd\u003eYes (2001-2004)\u003c\/td\u003e\n\u003ctd\u003eHeader pair and X-pipe; 2001-2004 emissions fittings included; 2-1\/2\" OEM rear outlet.\u003c\/td\u003e\n\u003ctd\u003eCompetition, off-road and track use only. Not for use on public roads.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2152H430\u003c\/td\u003e\n\u003ctd\u003e1-7\/8\"\u003c\/td\u003e\n\u003ctd\u003eGREEN Cats\u003c\/td\u003e\n\u003ctd\u003eYes (2001-2004)\u003c\/td\u003e\n\u003ctd\u003eHeader pair and X-pipe; 2001-2004 emissions fittings included; 2-1\/2\" OEM rear outlet.\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eVehicle fitment\u003c\/h2\u003e\u003ctable class=\"vehicle-fitment\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eYears\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eVehicle and trim\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eEngine\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eApplicable SKU \/ fitting conditions\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2001-2004\u003c\/td\u003e\n\u003ctd\u003eChevrolet Corvette Z06\u003c\/td\u003e\n\u003ctd\u003e5.7L V8\u003c\/td\u003e\n\u003ctd\u003e2152H220, 2152H230, 2152H420, 2152H430\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2001-2004\u003c\/td\u003e\n\u003ctd\u003eChevrolet Corvette Base\u003c\/td\u003e\n\u003ctd\u003e5.7L V8\u003c\/td\u003e\n\u003ctd\u003e2152H220, 2152H230, 2152H420, 2152H430\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2003\u003c\/td\u003e\n\u003ctd\u003eChevrolet Corvette 50th Anniversary Edition\u003c\/td\u003e\n\u003ctd\u003e5.7L V8\u003c\/td\u003e\n\u003ctd\u003e2152H220, 2152H230, 2152H420, 2152H430\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2003\u003c\/td\u003e\n\u003ctd\u003eChevrolet Corvette 50th Anniversary Edition Pace Car\u003c\/td\u003e\n\u003ctd\u003e5.7L V8\u003c\/td\u003e\n\u003ctd\u003e2152H220, 2152H230, 2152H420, 2152H430\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSpecification\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eCorvette C5, 2001-2004; 5.7 LS1 and LS6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e304 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeader design\u003c\/td\u003e\n\u003ctd\u003eStainless steel long tube headers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary diameter choices\u003c\/td\u003e\n\u003ctd\u003e1-3\/4\" or 1-7\/8\" primary tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector diameter\u003c\/td\u003e\n\u003ctd\u003e3\" collectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupplied exhaust parts\u003c\/td\u003e\n\u003ctd\u003eHeader pair and matching X-pipe arrangement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear connection\u003c\/td\u003e\n\u003ctd\u003e2-1\/2\" OEM rear-exhaust connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmissions fittings\u003c\/td\u003e\n\u003ctd\u003eIncluded; 2001-2004 specification on every offered option\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCatalyst choices\u003c\/td\u003e\n\u003ctd\u003ePerformance Cats for naturally aspirated engines; GREEN Cats also support forced induction within their rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning recommendation\u003c\/td\u003e\n\u003ctd\u003eHoonies recommends a tune for the completed header and exhaust installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eFAQs\u003c\/h2\u003e\u003ch3\u003eDoes this cover a 1999 C5?\u003c\/h3\u003e\u003cp\u003eThis particular listing supplies the 2001-2004 emissions-fitting versions. Choose the correct earlier-year package for a 1999 car.\u003c\/p\u003e\u003ch3\u003eDo all four options include the emissions fittings?\u003c\/h3\u003e\u003cp\u003eYes. The actual offered combinations all include the 2001-2004 emissions fittings.\u003c\/p\u003e\u003ch3\u003eCan I retain the factory rear exhaust?\u003c\/h3\u003e\u003cp\u003eYes, using the compatible 2-1\/2\" OEM rear connection.\u003c\/p\u003e\u003ch3\u003eCan Performance Cats be used with forced induction?\u003c\/h3\u003e\u003cp\u003eNo. Choose an appropriate GREEN catalyst option for a supercharged or turbocharged build.\u003c\/p\u003e\u003ch2\u003eOrdering and delivery\u003c\/h2\u003e\u003cp\u003eEstimated lead time is 4-6 weeks. Delivery may be faster depending on stock levels. Shipping is charged separately.\u003c\/p\u003e","brand":"Kooks","offers":[{"title":"1-3\/4\" \/ Performance Cats \/ Yes (2001-2004)","offer_id":55646887870806,"sku":"2152H220","price":3537.56,"currency_code":"GBP","in_stock":true},{"title":"1-3\/4\" \/ GREEN Cats \/ Yes (2001-2004)","offer_id":55646887903574,"sku":"2152H230","price":4105.54,"currency_code":"GBP","in_stock":true},{"title":"1-7\/8\" \/ Performance Cats \/ Yes (2001-2004)","offer_id":55646887936342,"sku":"2152H420","price":3573.3,"currency_code":"GBP","in_stock":true},{"title":"1-7\/8\" \/ GREEN Cats \/ Yes (2001-2004)","offer_id":55646887969110,"sku":"2152H430","price":4141.29,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/4b2203dadef8ff2701713bae34f557c9_1ad7e21b-4ff0-45f0-93c5-577ed179f996.jpg?v=1791452451","url":"https:\/\/hooniesadrenaline.co.uk\/products\/kooks-1997-2004-c5-corvette-header-x-pipe-kits-d739b426","provider":"Hoonies Adrenaline","version":"1.0","type":"link"}