{"product":{"id":11350237020502,"title":"Kooks Corvette C6 LS2 \/ LS3 X-Pipes, TORCA Revision (2005-2008)","body_html":"\u003ch2\u003eMatch your earlier C6 headers with the right revised X-pipe\u003c\/h2\u003e\u003cp\u003eComplete your revised Kooks header installation on your 2005-2008 Corvette with a three-piece stainless X-pipe. Choose Competition Only, Performance or GREEN connections, with 3\" to 2-1\/2\" mid-pipes and all necessary installation clamps supplied.\u003c\/p\u003e\u003cp\u003eSKUs: 21603101, 21603201, 21603301\u003c\/p\u003e\u003ch2\u003eFor the revised TORCA header connection\u003c\/h2\u003e\u003cp\u003eThe inlet uses the TORCA Swivel-Seal arrangement and requires the matching revised Kooks headers. It does not fit the older two-bolt header flanges. Match that joint style before choosing the crossover for an existing installation.\u003c\/p\u003e\u003ch2\u003eRetain the base-Corvette rear interface\u003c\/h2\u003e\u003cp\u003eThe included mid-pipes transition to the 2-1\/2\" OEM-style rear exhaust. Performance cats suit naturally aspirated engines; GREEN supports forced induction. Competition Only is the uncatted competition choice. The fitment table separates LS2 6.0 and LS3 6.2 years.\u003c\/p\u003e\u003cp\u003eThe GREEN catalysts in 21603301 are rated for up to 750 wheel horsepower.\u003c\/p\u003e\u003ch2\u003eChoose your configuration\u003c\/h2\u003e\u003cdiv class=\"table-scroll\"\u003e\u003ctable class=\"variant-comparison\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSKU\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eConfiguration\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eSupplied arrangement\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eFitting \/ engine conditions\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e21603101\u003c\/td\u003e\n\u003ctd\u003eModel Year: 2005-2008; Cat Type: Comp. Only\u003c\/td\u003e\n\u003ctd\u003eCompetition Only connection assembly; 3\" to 2-1\/2\" mid-pipes and necessary clamps included\u003c\/td\u003e\n\u003ctd\u003eRevised Kooks TORCA Swivel-Seal headers only; Uncatted; competition use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21603201\u003c\/td\u003e\n\u003ctd\u003eModel Year: 2005-2008; Cat Type: Performance Cats\u003c\/td\u003e\n\u003ctd\u003ePerformance Cats connection assembly; 3\" to 2-1\/2\" mid-pipes and necessary clamps included\u003c\/td\u003e\n\u003ctd\u003eRevised Kooks TORCA Swivel-Seal headers only; Naturally aspirated only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21603301\u003c\/td\u003e\n\u003ctd\u003eModel Year: 2005-2008; Cat Type: GREEN Cats\u003c\/td\u003e\n\u003ctd\u003eGREEN Cats connection assembly; 3\" to 2-1\/2\" mid-pipes and necessary clamps included; GREEN catalysts rated up to 750 wheel horsepower\u003c\/td\u003e\n\u003ctd\u003eRevised Kooks TORCA Swivel-Seal headers only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eMatching products\u003c\/h2\u003e\u003cp\u003eThe \u003ca href=\"https:\/\/hooniesadrenaline.co.uk\/products\/kooks-2005-2013-c6-corvette-base-grand-sport-headers?variant=55646888395094\"\u003erevised C6 TORCA headers\u003c\/a\u003e provide the matching Swivel-Seal joint. Choose the X-pipe year range for your own LS2 or LS3 Corvette.\u003c\/p\u003e\u003ch2\u003eVehicle fitment\u003c\/h2\u003e\u003cdiv class=\"table-scroll\"\u003e\u003ctable class=\"vehicle-fitment\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eYears\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eVehicle \/ trim\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eEngine\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eApplicable SKU\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eFitting conditions\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2005-2007\u003c\/td\u003e\n\u003ctd\u003eChevrolet Corvette Base\u003c\/td\u003e\n\u003ctd\u003e6.0L V8\u003c\/td\u003e\n\u003ctd\u003e21603101, 21603201, 21603301\u003c\/td\u003e\n\u003ctd\u003eRevised Kooks TORCA Swivel-Seal headers only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2008\u003c\/td\u003e\n\u003ctd\u003eChevrolet Corvette Base\u003c\/td\u003e\n\u003ctd\u003e6.2L V8\u003c\/td\u003e\n\u003ctd\u003e21603101, 21603201, 21603301\u003c\/td\u003e\n\u003ctd\u003eRevised Kooks TORCA Swivel-Seal headers only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cdiv class=\"table-scroll\"\u003e\u003ctable class=\"technical-specifications\"\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\u003eSKUs\u003c\/td\u003e\n\u003ctd\u003e21603101, 21603201, 21603301\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplications\u003c\/td\u003e\n\u003ctd\u003e2005-2007 C6 Base LS2 6.0L; 2008 C6 Base LS3 6.2L\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 interface\u003c\/td\u003e\n\u003ctd\u003eTORCA Swivel-Seal; revised Kooks headers only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eX-section\u003c\/td\u003e\n\u003ctd\u003eThree piece; 3\" pipework\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded rear transitions\u003c\/td\u003e\n\u003ctd\u003e3\" to 2-1\/2\" mid-pipes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear outlet\u003c\/td\u003e\n\u003ctd\u003e2-1\/2\" OEM-style exhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamps\u003c\/td\u003e\n\u003ctd\u003eAll necessary installation clamps included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChoices\u003c\/td\u003e\n\u003ctd\u003eCompetition Only; Performance; GREEN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePerformance condition\u003c\/td\u003e\n\u003ctd\u003eNaturally aspirated only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExcluded front interfaces\u003c\/td\u003e\n\u003ctd\u003eOEM manifolds\/cats and old two-bolt Kooks header flanges\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21603301 catalyst rating\u003c\/td\u003e\n\u003ctd\u003eUp to 750 wheel horsepower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eDoes this fit the Z06 3-inch rear interface?\u003c\/h3\u003e\u003cp\u003eThis set transitions to the 2-1\/2\" base-Corvette rear interface.\u003c\/p\u003e\u003ch3\u003eCan I use it with old two-bolt Kooks headers?\u003c\/h3\u003e\u003cp\u003eChoose connections made for the older flange. These X-pipes require the revised TORCA joint.\u003c\/p\u003e\u003ch3\u003eAre the rear transitions included?\u003c\/h3\u003e\u003cp\u003eYes. The mid-pipes and necessary installation clamps are supplied.\u003c\/p\u003e\u003ch2\u003eIntended use\u003c\/h2\u003e\u003cp\u003e21603101, 21603201: Competition, off-road and track use only. Not for use on public roads.\u003c\/p\u003e\u003cp\u003eThe competition-use waiver applies to 21603101.\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","vendor":"Kooks","product_type":"Exhaust Pipes","created_at":"2026-10-08T10:49:32+01:00","handle":"kooks-2005-2013-c6-corvette-base-grand-sport-x-pipes-c44ebc94","updated_at":"2026-10-11T22:00:46+01:00","published_at":"2026-10-09T13:33:03+01:00","template_suffix":null,"published_scope":"global","tags":"brand:kooks, cat:exhausts, dept:performance-parts, fits:chevrolet-corvette, make:chevrolet, type:exhaust-pipe","variants":[{"id":55646988992854,"product_id":11350237020502,"title":"2005-2008 \/ Comp. Only","price":"1626.47","sku":"21603101","position":1,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"2005-2008","option2":"Comp. Only","option3":null,"created_at":"2026-10-08T10:49:32+01:00","updated_at":"2026-10-11T22:00:46+01:00","taxable":true,"barcode":"842422174668","grams":13608,"image_id":86449891213654,"weight":13.608,"weight_unit":"kg","requires_shipping":true,"quantity_rule":{"min":1,"max":null,"increment":1},"price_currency":"GBP","compare_at_price_currency":"","quantity_price_breaks":[]},{"id":55646989025622,"product_id":11350237020502,"title":"2005-2008 \/ Performance Cats","price":"1910.47","sku":"21603201","position":2,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"2005-2008","option2":"Performance Cats","option3":null,"created_at":"2026-10-08T10:49:32+01:00","updated_at":"2026-10-11T22:00:46+01:00","taxable":true,"barcode":"842422174682","grams":13608,"image_id":86449891246422,"weight":13.608,"weight_unit":"kg","requires_shipping":true,"quantity_rule":{"min":1,"max":null,"increment":1},"price_currency":"GBP","compare_at_price_currency":"","quantity_price_breaks":[]},{"id":55646989058390,"product_id":11350237020502,"title":"2005-2008 \/ GREEN Cats","price":"2478.45","sku":"21603301","position":3,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"2005-2008","option2":"GREEN Cats","option3":null,"created_at":"2026-10-08T10:49:32+01:00","updated_at":"2026-10-11T22:00:46+01:00","taxable":true,"barcode":"842422174705","grams":13608,"image_id":86449891279190,"weight":13.608,"weight_unit":"kg","requires_shipping":true,"quantity_rule":{"min":1,"max":null,"increment":1},"price_currency":"GBP","compare_at_price_currency":"","quantity_price_breaks":[]}],"options":[{"id":14512426385750,"product_id":11350237020502,"name":"Model Year","position":1,"values":["2005-2008"]},{"id":14512426418518,"product_id":11350237020502,"name":"Cat Type","position":2,"values":["Comp. Only","Performance Cats","GREEN Cats"]}],"images":[{"id":86449891213654,"product_id":11350237020502,"position":1,"created_at":"2026-10-08T10:49:32+01:00","updated_at":"2026-10-08T10:49:35+01:00","alt":"Kooks 2005-2013 C6 Corvette Base\/Grand Sport X-Pipes - 21603101, 21603201, 21603301 - 21603101","width":900,"height":601,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/56bef208d0ff965e82c872c6455ad07d_a34b30fa-39bb-46c9-92cd-023fef9d3040.jpg?v=1791452975","variant_ids":[55646988992854]},{"id":86449891246422,"product_id":11350237020502,"position":2,"created_at":"2026-10-08T10:49:32+01:00","updated_at":"2026-10-08T10:49:35+01:00","alt":"Kooks 2005-2013 C6 Corvette Base\/Grand Sport X-Pipes - 21603101, 21603201, 21603301 - 21603201","width":900,"height":601,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/8a8bd0ab92ceb8d2b27e6aa2b6f357e6_148d20b8-7b31-48ff-b2cf-d8fbb3f0d45c.jpg?v=1791452975","variant_ids":[55646989025622]},{"id":86449891279190,"product_id":11350237020502,"position":3,"created_at":"2026-10-08T10:49:32+01:00","updated_at":"2026-10-08T10:49:35+01:00","alt":"Kooks 2005-2013 C6 Corvette Base\/Grand Sport X-Pipes - 21603101, 21603201, 21603301 - 21603301","width":900,"height":601,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/d0d09935279de83936c8880752ad2567_ed4ef3d2-a9e2-44de-b16c-fdac4c51f4fb.jpg?v=1791452975","variant_ids":[55646989058390]}],"image":{"id":86449891213654,"product_id":11350237020502,"position":1,"created_at":"2026-10-08T10:49:32+01:00","updated_at":"2026-10-08T10:49:35+01:00","alt":"Kooks 2005-2013 C6 Corvette Base\/Grand Sport X-Pipes - 21603101, 21603201, 21603301 - 21603101","width":900,"height":601,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/56bef208d0ff965e82c872c6455ad07d_a34b30fa-39bb-46c9-92cd-023fef9d3040.jpg?v=1791452975","variant_ids":[55646988992854]}}}