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!"

2020 Mustang GT500 5.2L 2in. x 3in. Stainless Steel Headers w/High Output GREEN Catted Connection Kit. 2in. x 3in. 304 Stainless Steel Headers. 3in. Catted connection Pipes made with our 4-1/2in. Bodied 300 C.P.S.I. High Output GREEN Cats3in. x 2-3/4in. OEM Adapters Includes O2 extensions; Gaskets; and Bolt kits required for installation

2020 Mustang GT500 5.2L 2" x 3" Stainless Steel Headers w/High Output GREEN Catted Connection Kit. 2" x 3" 304 Stainless Steel Headers. 3" Catted connection Pipes made with our 4-1/2" Bodied 300 C.P.S.I. High Output GREEN Cats3" x 2-3/4" OEM Adapters Includes O2 extensions, Gaskets, and Bolt kits required for installation

2020 Mustang GT500 5.2L 2in. x 3in. Stainless Steel Headers w/High Output 4-1/2in. bodied GREEN Catted Connections and OEM adapters. Includes O2 extensions; Gaskets; and Installation Hardware.

2020 Mustang GT500 5.2L 2" x 3" Stainless Steel Headers w/High Output 4-1/2" bodied GREEN Catted Connections and OEM adapters. Includes O2 extensions, Gaskets, and Installation Hardware.

2in. x 3in. Stainless Steel Headers w/High Output 4-1/2in. bodied GREEN Catted Connections and OEM adapters. Includes O2 extensions; Gaskets; and Installation Hardware.

2" x 3" Stainless Steel Headers w/High Output 4-1/2" bodied GREEN Catted Connections and OEM adapters. Includes O2 extensions, Gaskets, and Installation Hardware.

Kooks 2020+ Mustang GT500 5.2L 2in x 3in SS Headers w/GREEN Catted Connection Pipe

2" x 3" Headers & H.O. GREEN Catted Connection Kit - 2020 Mustang GT500 5.2L

2in. x 3in. Headers/H.O. GREEN Catted Connection Kit-2020 Mustang GT500 5.2L

2in. Hdr w/H.O. GREEN Catted OEM Conn.

2" Hdr w/H.O. GREEN Catted OEM Conn.

2in. Hdr w/Conn.

2" Hdr w/Conn.