2-1/8" x 2-1/4" x 4" Stainless Steel Headers w/Venturi Collectors. 2023 chevrolet camaro The rebound valving has a

The rebound valving has a progressive curve that is strictly determined via orifice control

this chest rig is built for longevity and performance

They are also very durable and don't break down like poly mounts do over time

The compression valving options are the same as the Crusader Series

that bolts to the lower plate from above the tower

2-1/8" x 2-1/4" x 4" Stainless Steel Headers w/Venturi Collectors. 2023 chevrolet camaro The rebound valving has aKooks 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