Can be unbolted in minutes if needed
or softer valving at lower speeds to allow for the tire to remain planted on hot
Significantly reduces under hood temperatures by extracting heat and allowing fresh cold air to enter the engine bay
See separate entry for use with OEM style springs
and installation instructions for a factory quality installation
1-3/4" x 1-7/8" Stainless Headers & Comp. Only Exhaust. 2015-2020 Shelby GT350. 2019 chevrolet corvette Can be unbolted in minutesKooks 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