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!"

2015-2020 Mustang 5.0L 4V 1 7/8in. x 3in. Stainless Steel Headers w/Catted OEM ConnectionIncludes O2 Bungs STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS

2015-2020 Mustang 5.0L 4V 1 7/8" x 3" Stainless Steel Headers w/Catted OEM Connection Includes O2 Bungs STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS

2015-2020 Mustang 5.0L 4V 1-7/8in. x 3in. Stainless Headers w/Catted Connection Pipes and OEM Adapters. STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS

2015-2020 Mustang 5.0L 4V 1-7/8" x 3" Stainless Headers w/Catted Connection Pipes and OEM Adapters. STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS

2015-2020 Mustang 5.0L 4V 1-7/8" x 3" Stainless Headers w/Catted Connection Pipes and OEM Adapters. STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS

1-7/8" x 3" Stainless Headers w/Catted Connection Pipes and OEM Adapters. STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS

2015+Mustang 5.0L 4V 1 7/8in. x 3in. Stainless Steel Headers w/Catted OEM Connection Includes O2 Bungs

1 7/8in. x 3in. Stainless Steel Headers w/Catted OEM Connection Includes O2 Bungs

Kooks 15+ Mustang 5.0L 4V 1 7/8in x 3in SS Headers w/ Catted OEM Connection Pipe

1-7/8" SS Headers & Catted Connection Kit. 2015-2020 Mustang GT 5.0L.

1-7/8in. Hdr w/Catted OEM Connection

1-7/8" Hdr w/Catted OEM Connection

Stainless Steel Headers

1-7/8" Hdr w/Conn.

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