Kooks 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 to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated. And don't forget, "Get Kookin with KOOKS!"

Header and Connection Kit. 2004 Pontiac GTO LS1 5.7L. Includes 1-7/8in. x 3in. Stainless Steel Long Tube Headers/3in. x 2-1/2in.(OEM) Catted Stainless Steel Connection Pipes.

Header and Connection Kit. 2004 Pontiac GTO LS1 5.7L. Includes 1-7/8" x 3" Stainless Steel Long Tube Headers & 3" x 2-1/2"(OEM) Catted Stainless Steel Connection Pipes.

Stainless Steel Headers; 1 7/8 in.; w/3 in. X Pipe Catted Connection Kit;

1-7/8" Header and Catted Connection Kit. 2004 Pontiac GTO LS1 5.7L.

Kooks 04 Pontiac GTO Base Header and Catted Connection Kit

Stainless Header and Connection Kit.

Stainless Steel Headers

Header & Conn. Kit

Exhaust Header