{"product_id":"c8-corvette-z06-kooks-218133bk-catted-connections","title":"C8 Corvette Z06 Kooks Ultra-GREEN Cats with Heat Blankets","description":"\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1359\/4413\/files\/cca-free-shipping-performance-banner-v1_png.png?v=1784299920\" alt=\"Free shipping in the continental U.S. on Kooks 218133BK catted connections with heat blankets\" style=\"display: block; max-width: 100%; height: auto; margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch2\u003eKooks 218133BK Ultra-GREEN Catted Connections for C8 Corvette Z06\u003c\/h2\u003e\n\u003cp\u003eBuild your \u003cstrong\u003e2023–2027 C8 Corvette Z06\u003c\/strong\u003e exhaust around the \u003cstrong\u003eKooks 218133BK Ultra-GREEN cats with heat blankets\u003c\/strong\u003e. This matched pair replaces the original catalytic-converter section on the \u003cstrong\u003e5.5L LT6\u003c\/strong\u003e, using \u003cstrong\u003e3-inch 304 stainless steel tubing and 5-inch catalyst bodies\u003c\/strong\u003e. The stock-pattern flanges connect to OEM manifolds or Kooks headers at the inlet and the OEM cat-back at the outlet.\u003c\/p\u003e\n\u003cp\u003eWith the factory cat-back retained, your Z06 keeps its rear mufflers and exhaust-tip arrangement while the catalytic-converter connections ahead of them are replaced. Both connections are supplied with matching heat blankets for a complete catalyst-and-blanket installation. The overall exhaust character still depends on the manifolds or headers and rear exhaust you use, so discuss your sound goals with your installer before choosing the combination.\u003c\/p\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKit identity:\u003c\/strong\u003e Kooks 218133BK, supplied as a catted connection pair with heat blankets\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e 304 stainless steel with 3-inch connection tubing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalyst size:\u003c\/strong\u003e 5-inch-bodied Ultra-GREEN catalysts; 5 inches describes the catalyst bodies, not the pipe or exhaust tips\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAttachment:\u003c\/strong\u003e Flanged inlet and outlet using the stock bolt pattern\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded pieces:\u003c\/strong\u003e Both catted connections, Kooks 218133B2 heat blankets, and the required gasket and bolt kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust location:\u003c\/strong\u003e Between the OEM manifolds or Kooks headers and the OEM cat-back\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep your rear-exhaust plan:\u003c\/strong\u003e The OEM cat-back connection lets you select this catalyst kit while retaining the factory rear mufflers and tips.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuy the matched blanket package:\u003c\/strong\u003e The supplied 218133B2 blankets belong with these catted connections, avoiding a separate blanket-only purchase when you need the complete kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChoose for the LT6 Z06:\u003c\/strong\u003e Clear engine, year and interface details help distinguish this order from generic C8 cats or a full header-and-catalyst package.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck modified exhaust combinations:\u003c\/strong\u003e Provide the make and part number of any existing headers or rear exhaust. OEM-style flanges do not establish compatibility with every aftermarket component.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlan professional installation:\u003c\/strong\u003e Have your installer verify access, oxygen-sensor placement and blanket installation for your Z06.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfirm calibration and your goals:\u003c\/strong\u003e Check tune requirements and warning-light expectations for your exact setup. Sound, power and heat-reduction results are not guaranteed by selecting this kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck emissions eligibility:\u003c\/strong\u003e Confirm that replacing the original catalysts is permitted for your vehicle and location before purchase. California street use requires applicable CARB approval; Ultra-GREEN branding alone does not establish approval or an inspection pass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfirm availability:\u003c\/strong\u003e Check the current lead time before booking installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #ff2a00;\"\u003eCORVETTE COMPATIBILITY\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneration and model:\u003c\/strong\u003e C8 Chevrolet Corvette Z06\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel years:\u003c\/strong\u003e 2023–2027\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e 5.5L LT6 V8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransmission:\u003c\/strong\u003e Eight-speed dual-clutch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection arrangement:\u003c\/strong\u003e OEM manifolds or Kooks headers to OEM cat-back; verify any modified combination\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Buy This Product from Custom Corvette Accessories\u003c\/h3\u003e\n\u003cp\u003eUse this Z06-specific listing to check the 218133BK kit against your LT6, model year and existing exhaust before placing an order. Custom Corvette Accessories brings the package contents, connection details and fitment questions together so you can discuss the complete combination with us and your installer before the car goes into the shop.\u003c\/p\u003e","brand":"Kooks","offers":[{"title":"Default Title","offer_id":67648757334253,"sku":"218133BK","price":4413.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1359\/4413\/files\/c8-corvette-z06-kooks-218133bk-catalyst-sensor-detail.png?v=1791218792","url":"https:\/\/www.corvettepartsandaccessories.com\/products\/c8-corvette-z06-kooks-218133bk-catted-connections","provider":"Corvette Parts from Custom Corvette Accessories","version":"1.0","type":"link"}