1-3/4" x 3" Stainless Steel Headers. Includes O2 extensions for all years. 1999-ford-f-150-esi4281697 loosen the 4 Allen head

loosen the 4 Allen head bolts

and eliminates bushing deflection under load

and slide the wheel inboard or outboard to change camber

Many customers know the

1-3/4" x 3" Stainless Steel Headers. Includes O2 extensions for all years. 1999-ford-f-150-esi4281697 loosen the 4 Allen headKooks 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