2" Stainless Headers & GREEN Catted Conn. Kit. 2015-2026 Mustang GT/D.H. 5.0L. 2001 pontiac firebird The operating temperatures of the

The operating temperatures of the liner ranges from -65º to 325ºF

and shaves even more unsprung weight

each equipped with drain holes for functionality in all conditions

Our lockout plates are CNC machined from 6061-T6 Aluminum and supplied with zinc plated grade 10

2" Stainless Headers & GREEN Catted Conn. Kit. 2015-2026 Mustang GT/D.H. 5.0L. 2001 pontiac firebird The operating temperatures of theKooks 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