Kooks 2020 Chevrolet Corvette C8 3in Ultra GREEN Catted Connection Pipes - 21803300 Intercooler Kits HW4-HDG4 kit features ACT's most

HW4-HDG4 kit features ACT's most popular Heavy Duty pressure plate

the heat stays where it's supposed to be and out of your engine bay

this adaptor has a stainless steel sleeve in the adaptor neck for added rigidity

and restored performance from your EJ

Center Bore: 63

Kooks 2020 Chevrolet Corvette C8 3in Ultra GREEN Catted Connection Pipes - 21803300 Intercooler Kits HW4-HDG4 kit features ACT's mostKooks 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