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. 2015-2020 Ford Mustang Shelby GT350 5.2L 4V. Includes 1-3/4in. x 1-7/8in. x 3in. Stainless Steel Long Tube Stepped Headers/3in. x 2-3/4in. GREEN Catted Stainless X-Pipe.

Header and Connection Kit. 2015-2020 Ford Mustang Shelby GT350 5.2L 4V. Includes 1-3/4" x 1-7/8" x 3" Stainless Steel Long Tube Stepped Headers & 3" x 2-3/4" GREEN Catted Stainless X-Pipe.

Kooks 15-21 Ford Mustang Shelby GT350R Header and Green Catted Connection Kit-3in X-Pipe

Stainless Steel Headers; 1 3/4 in.; x 1 7/8 in.; w/3 in. X Pipe GREEN Connection Kit;

1-3/4" x 1-7/8" Header and GREEN Connection Kit. 2015-2020 Shelby GT350 5.2L 4V

Stainless Header and Connection Kit.

Stainless Steel Headers

Header & Conn. Kit

Exhaust Header