Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated. And don't forget, "Get Kookin with KOOKS!"

Kooks Ultra-GREEN OEM connection pipes, are also made in 304 grade stainless steel with 3/8" thick flanges. Kooks Ultra-GREEN EPA certified cats feature a 304 stainless steel outer body and a high capacity 300 Cell 4-1/2" diameter metallic substrate designed to be used with no tune required. The inlet and outlet are designed to connect directly to the OEM Connections flanges, so they can be used as a direct replacement for the OEM catalytic converters with the OEM manifolds, or the Kooks Super Street Headers. The kit will include installation hardware and required gaskets.

3in. Stainless Steel Super Street Ultra-GREEN Catted Connections. 2020 Chevrolet Corvette C8. Now Available for Pre-Order! Flanged Inlet and Outlet Stock Bolt Pattern Inlet Connects Directly to OEM Manifolds or Kooks Headers Outlet Connects Directly to OEM Cat-Back Replaces OEM Catalytic Converters Kooks Ultra-GREEN EPA Certified Cats Feature a 304 Stainless Steel Outer Body and a High Capacity 300 Cell 4-1/2in. Diameter Metallic Substrate Designed to Be Used with No Tune Required Includes Gasket and Bolt Kit required for InstallationNo additional parts required

3" Stainless Steel Super Street Ultra-GREEN Catted Connections. 2020 Chevrolet Corvette C8. Now Available for Pre-Order! Flanged Inlet and Outlet Stock Bolt Pattern Inlet Connects Directly to OEM Manifolds or Kooks Headers Outlet Connects Directly to OEM Cat-Back Replaces OEM Catalytic Converters Kooks Ultra-GREEN EPA Certified Cats Feature a 304 Stainless Steel Outer Body and a High Capacity 300 Cell 4-1/2" Diameter Metallic Substrate Designed to Be Used with No Tune Required Includes Gasket and Bolt Kit required for InstallationNo additional parts required

3in. Stainless Steel Super Street Ultra-GREEN Catted OEM Connections. 2020 Chevrolet Corvette C8. Flanged Inlet and Outlet. Stock Bolt Pattern. Inlet Connects Directly to OEM Manifolds or Kooks Super Street Headers. Outlet Connects Directly to OEM Cat-Back. Replaces OEM Catalytic Converter. Includes Gasket and Bolt Kit required for Installation. No additional parts required.

3" Stainless Steel Super Street Ultra-GREEN Catted OEM Connections. 2020 Chevrolet Corvette C8. Flanged Inlet and Outlet. Stock Bolt Pattern. Inlet Connects Directly to OEM Manifolds or Kooks Super Street Headers. Outlet Connects Directly to OEM Cat-Back. Replaces OEM Catalytic Converter. Includes Gasket and Bolt Kit required for Installation. No additional parts required.

3" Stainless Steel Super Street Ultra-GREEN Catted OEM Connections. 2020 Chevrolet Corvette C8. Flanged Inlet and Outlet. Inlet Connects Directly to OEM Manifolds or Kooks Super Street Headers. Outlet Connects Directly to OEM Cat-Back.

Ultra-Green Connection Pipes; For Use w/2020 C8 Corvette; 3 in.; Catted; Straight; Incl. Gasket/Bolt Kit; 304 Stainless Steel;

3" Super Street Ultra-GREEN Catted OEM Connections. 2020 Chevrolet Corvette C8.

Kooks 3in Ultra GREEN Catted Connection Pipes

3in. GREEN Catted OEM Connections

3" GREEN Catted OEM Connections

Ultra-Green Connection Pipes

3" Connections

Exhaust Pipe