3" x 2-1/4" OEM Stainless Steel Connection Adapter. Sold individually. 2001 Pontiac Firebird which allows it to simply

which allows it to simply be welded into the chassis without cutting the inner wall of the stock mounting location at all

without a significant increase in NVH

using a professional racing team's Camaro as our prototype car

please look at the photo below

3" x 2-1/4" OEM Stainless Steel Connection Adapter. Sold individually. 2001 Pontiac Firebird which allows it to simplyKooks 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