2020 Product Showcase: Kooks C8 Corvette Headers & Cats

Now in the hands of gearheads and professional tuners alike, the capabilities of the all-new C8 Chevrolet Corvette are only just being explored as bolt-on aftermarket parts and systems continue to hit the marketplace to boost the power, torque, and audible tone of the mid-engine American sports car.

Respected exhaust system manufacturer Kooks Headers & Exhaust was quick to move to market with the C8, developing its Super Street Series headers and Ultra-GREEN connection pipes. These headers are designed to be used with an OEM catalytic converter or with Kooks’ Ultra-GREEN OEM connection pipes. The hand-crafted headers are made from 304-grade stainless steel (part no. 21801400) and feature 3/8-inch thick flanges, 1-7/8-inch equal-length primaries for maximum horsepower and torque, scavenging spikes, and one-piece collectors. 

The 3/8-inch three-bolt flanges connect to the OEM catalytic converters, allowing for a direct bolt-on installation. 

The Ultra-GREEN OEM connection pipes (part no. 21803300) are likewise made from 304-grade stainless steel with 3/8-inch thick flanges. Kooks’ has also developed heat shield blankets (part no. 218033B2) for the C8 Super Street series Ultra-GREEN connection pipes.

Kooks dyno tested its C8 Super Street headers and connection pipes to illustrate the performance improvements. After baselining a Z51-equipped Corvette, the Kooks team bolted on a set of Super Street headers and Ultra-GREEN OEM connection pipes in place of the OEM manifolds and catalytic converters and produced an increase of 20-plus horsepower and 26-plus ft-lbs. of torque on the stock tune with no check engine light. 

“The Super Street Series headers have proven similar performance gains to traditional long-tube headers while allowing consumers to have options that connect directly to their OEM catalytic convertor,” says Scott Benson, Kooks sales & marketing manager. 

Completing the package, Kooks’ Ultra-GREEN EPA-certified cats feature a 304 stainless steel outer body and a high-capacity, 300 cell, 4-1/2-inch diameter metallic substrate design that require no changed to your C8’s tune. The inlets and outlets fit to the OEM connection flanges, making them a direct replacement for the OEM catalytic converters for use with the OEM manifolds or the Super Street headers.

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About the author

Andrew Wolf

Andrew has been involved in motorsports from a very young age. Over the years, he has photographed several major auto racing events, sports, news journalism, portraiture, and everything in between. After working with the Power Automedia staff for some time on a freelance basis, Andrew joined the team in 2010.
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