The Kooks header and connection kit for 2014–2019 Corvette Stingray Z51 and Grand Sport combines 1-7/8" primary long-tube headers with a catted X-pipe to increase exhaust flow and refine midrange response. Kooks manufactures these systems from T304 aircraft-quality stainless steel in the USA and validates fit and power delivery through dyno and race testing, with a limited lifetime warranty to the original purchaser.
Kooks 14-19 Chevrolet Corvette Stingray Z51 Grand Sport 1-7/8 x 3 Header & Catted X-Pipe Kit