1-7/8" Stainless Headers. 2022-2026 Cadillac CT5-V Blackwing. 1999 Pontiac Firebird We take it a step

We take it a step further by tying in the vertical portion of the rear wheel tubs

and the needle and seat combination can be changed out

Installs easily with simple hand tools in 2-3 hours

MB Sheet 236

You can take it off and your lap times will not change

1-7/8" Stainless Headers. 2022-2026 Cadillac CT5-V Blackwing. 1999 Pontiac Firebird We take it a stepKooks 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