{"product_id":"kooks-2006-2013-c6-corvette-z06-zr1-x-pipes-eb7bfa77","title":"Kooks X-Pipe and ULTRA X-Pipe Options for Corvette C6 Z06 \/ ZR1","description":"\u003ch2\u003eComplete the exhaust on your Z06 or ZR1\u003c\/h2\u003e\u003cp\u003eEnjoy your C6 with the exhaust combination you want. These Kooks connection packages finish a matched long tube header installation with 3\" pipework and the 3\" Z06\/ZR1 OEM rear connection. Choose a conventional or ULTRA X-pipe and the catalyst specification for your engine, then match the header joint before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSKUs:\u003c\/strong\u003e 21613101, 21613121, 21613221, 21613301, 21613321, 21613421\u003c\/p\u003e\u003ch2\u003eA choice of crossover layouts\u003c\/h2\u003e\u003cp\u003eThe conventional X-pipe joins the exhaust banks through a crossover; the ULTRA X-pipe uses a longer merge for a smoother, deeper V8 character. Your rear mufflers still play a major part in volume and cabin sound, so compare complete exhaust combinations when choosing.\u003c\/p\u003e\u003ch2\u003eCatalysts that suit the engine\u003c\/h2\u003e\u003cp\u003eGREEN-family catalysts support naturally aspirated or forced-induction applications within their respective capacities. Performance Cats are for naturally aspirated engines below 550 RWHP, so they are not the choice for a supercharged ZR1. Competition Only versions supply catalyst-free front connections for competition, off-road and track use.\u003c\/p\u003e\u003ch2\u003eCheck the header connection revision\u003c\/h2\u003e\u003cp\u003eThe conventional X-pipe versions on this page use the revised Torca swivel-seal connection. Those versions will not fit older Kooks headers with the two-bolt flange connection. Match the actual header joint before buying; the vehicle name and pipe diameter alone do not establish compatibility.\u003c\/p\u003e\u003ch2\u003eKeep the compatible 3\" rear exhaust\u003c\/h2\u003e\u003cp\u003eThese packages finish with the 3\" Z06\/ZR1 OEM rear connection and require Kooks long tube headers. Professional fitting is recommended, with the joint style, pipe alignment, heat clearance and rear connection checked together.\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\"\u003eCat Type\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eX Style\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\u003e21613101\u003c\/td\u003e\n\u003ctd\u003eComp. Only\u003c\/td\u003e\n\u003ctd\u003eX Pipe\u003c\/td\u003e\n\u003ctd\u003eConventional X-pipe; revised Torca swivel-seal header connection, NOT older two-bolt flanges; 3\" OEM rear outlet.\u003c\/td\u003e\n\u003ctd\u003eCompetition, off-road and track use only. Not for use on public roads. Kooks competition-use waiver required.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21613121\u003c\/td\u003e\n\u003ctd\u003eComp. Only\u003c\/td\u003e\n\u003ctd\u003eULTRA X\u003c\/td\u003e\n\u003ctd\u003eULTRA long-merge X-pipe; 3\" OEM rear outlet. Match the header interface for this version.\u003c\/td\u003e\n\u003ctd\u003eCompetition, off-road and track use only. Not for use on public roads. Kooks competition-use waiver required.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21613221\u003c\/td\u003e\n\u003ctd\u003ePerformance Cats\u003c\/td\u003e\n\u003ctd\u003eULTRA X\u003c\/td\u003e\n\u003ctd\u003eULTRA long-merge X-pipe; naturally aspirated application only; 3\" OEM rear outlet.\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21613301\u003c\/td\u003e\n\u003ctd\u003eGREEN Cats\u003c\/td\u003e\n\u003ctd\u003eX Pipe\u003c\/td\u003e\n\u003ctd\u003eConventional X-pipe; revised Torca swivel-seal header connection, NOT older two-bolt flanges; 3\" OEM rear outlet.\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21613321\u003c\/td\u003e\n\u003ctd\u003eGREEN Cats\u003c\/td\u003e\n\u003ctd\u003eULTRA X\u003c\/td\u003e\n\u003ctd\u003eULTRA long-merge X-pipe; 3\" OEM rear outlet. Match the header interface for this version.\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21613421\u003c\/td\u003e\n\u003ctd\u003eH.O. GREEN Cats\u003c\/td\u003e\n\u003ctd\u003eULTRA X\u003c\/td\u003e\n\u003ctd\u003eULTRA long-merge X-pipe; 3\" OEM rear outlet. Match the header interface for this version.\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\u003e2006-2013\u003c\/td\u003e\n\u003ctd\u003eChevrolet Corvette Z06\u003c\/td\u003e\n\u003ctd\u003e7.0L V8\u003c\/td\u003e\n\u003ctd\u003e21613101, 21613121, 21613221, 21613301, 21613321, 21613421\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2009-2013\u003c\/td\u003e\n\u003ctd\u003eChevrolet Corvette ZR1\u003c\/td\u003e\n\u003ctd\u003e6.2L V8\u003c\/td\u003e\n\u003ctd\u003e21613101, 21613121, 21613301, 21613321, 21613421. Performance-catalyst 21613221 is for naturally aspirated builds, not the supercharged LS9\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 C6 Z06 LS7, 2006-2013; ZR1 LS9, 2009-2013\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003e304 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLayouts\u003c\/td\u003e\n\u003ctd\u003eConventional X-pipe or ULTRA long-merge X-pipe, in the listed combinations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePipe and rear-outlet diameter\u003c\/td\u003e\n\u003ctd\u003e3\" pipework and 3\" Z06\/ZR1 OEM rear connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRequired headers\u003c\/td\u003e\n\u003ctd\u003eMatching Kooks long tube headers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConventional X-pipe interface\u003c\/td\u003e\n\u003ctd\u003eRevised Torca swivel-seal connection; incompatible with older two-bolt flange headers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePerformance catalyst limit\u003c\/td\u003e\n\u003ctd\u003eNaturally aspirated engines below 550 RWHP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eFAQs\u003c\/h2\u003e\u003ch3\u003eCan I fit the conventional X-pipe to my older Kooks headers?\u003c\/h3\u003e\u003cp\u003eOnly if the headers have the matching revised Torca swivel-seal connection. The conventional versions here do not fit the older two-bolt flange interface.\u003c\/p\u003e\u003ch3\u003eDoes it connect to the original manifolds?\u003c\/h3\u003e\u003cp\u003eIt requires matching Kooks long tube headers, not the OEM manifold and catalyst arrangement.\u003c\/p\u003e\u003ch3\u003eCan I use Performance Cats on a supercharged ZR1?\u003c\/h3\u003e\u003cp\u003eNo. Performance Cats are for naturally aspirated builds. Choose a suitable GREEN-family catalyst for forced induction.\u003c\/p\u003e\u003ch3\u003eWill it join the factory Z06 or ZR1 rear exhaust?\u003c\/h3\u003e\u003cp\u003eThe rear connection is the 3\" OEM interface for the listed Z06\/ZR1 applications. Match the header connection as well.\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":"Comp. Only \/ X Pipe","offer_id":55646889869654,"sku":"21613101","price":1612.52,"currency_code":"GBP","in_stock":true},{"title":"Comp. Only \/ ULTRA X","offer_id":55646889902422,"sku":"21613121","price":1680.77,"currency_code":"GBP","in_stock":true},{"title":"Performance Cats \/ ULTRA X","offer_id":55646889935190,"sku":"21613221","price":1964.77,"currency_code":"GBP","in_stock":true},{"title":"GREEN Cats \/ X Pipe","offer_id":55646889967958,"sku":"21613301","price":2464.5,"currency_code":"GBP","in_stock":true},{"title":"GREEN Cats \/ ULTRA X","offer_id":55646890000726,"sku":"21613321","price":2532.75,"currency_code":"GBP","in_stock":true},{"title":"H.O. GREEN Cats \/ ULTRA X","offer_id":55646890033494,"sku":"21613421","price":3053.41,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/88936165abebc303c5c5a0bd71ab4181_d23ff207-148a-414e-8c51-5f4dea3b40c8.jpg?v=1791452457","url":"https:\/\/hooniesadrenaline.co.uk\/products\/kooks-2006-2013-c6-corvette-z06-zr1-x-pipes-eb7bfa77","provider":"Hoonies Adrenaline","version":"1.0","type":"link"}