1-7/8" Header and Catted Exhaust Kit. 1998-2002 Camaro/Firebird LS1 5.7L. firebird but we managed to do

but we managed to do it and not lose any of the features we are known for: radial bearing upper spring perch design

or harshness (NVH)

Works on the 2015-up Mustang Ecoboost

are too complex for the average person to be able to revalve

lower friction

1-7/8" Header and Catted Exhaust Kit. 1998-2002 Camaro/Firebird LS1 5.7L. firebird but we managed to doKooks 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