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!" 2-1/2in. Catalytic Converter Certified to EPA Standards. 2-1/2in. I.D. Inlet and Outlet. 4in. Long 4in. O.D Body. 7in. Overall Length. 400 CPSI High Flow Substrate. Rated for up to 425 HP/Cat. Ok for use with Forced Induction. 2-1/2in. Kooks GREENCATS High Flow Catalytic Converter Certified to EPA Standards. 2-1/2in. I.D. Inlet and Outlet. 4in. Long 4in. O.D Body. 7in. Overall Length. 400 CPSI High Flow Substrate. Helps remove harmful emissions from exhaust. Catalytic Converter Certified to EPA Standards. Elimination of check engine light not guaranteed. Rated for up to 425 Horsepower per Cat. Ok for use with Forced Induction. 2-1/2in. Kooks GREEN High Flow Catalytic Converter Certified to EPA Standards. 2-1/2in. I.D. Inlet and Outlet 4in. Long 4in. O.D Body 7in. Overall Length 400 CPSI High Flow Substrate Helps reduce harmful emissions in exhaust Catalytic Converter Certified to EPA Standards Elimination of check engine light not guaranteed Rated for up to 425 Horsepower per CatOk for use with Forced Induction
