no chassis modifications required
as often the first 10+ clicks provide no changes to the valving
with simple hand tools (1/4" hex key wrench)
thereby relieving unnecessary stress on the piston rod and seals
are too complex for the average person to be able to revalve
1-3/4" Stainless Headers Right Hand Drive only 2015-2019 Mustang GT 5.0L. 1982-pontiac-firebird-esi7945046 no chassis modifications requiredKooks 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