1-7/8" Stainless Headers. 1999-2013 GM 1/2 Ton Truck/2000-2013 SUV. 1994 pontiac firebird And if you start with

And if you start with the OEM sized perches

We also tie in the vertical portion of the wheel tubs to further increase mounting strength

Our stud replacement kit is available for those requiring replacement hardware for their front lower control arm per our TSB 23-01

Comes Fully Powder coated with grade 8 hardware and mounting brackets

By designing these boxes in this way

1-7/8" Stainless Headers. 1999-2013 GM 1/2 Ton Truck/2000-2013 SUV. 1994 pontiac firebird And if you start withKooks 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