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!"
2015-2026 Mustang GT/Dark Horse 5.0L 4V 1-7/8" x 3" Stainless Headers w/ ULTRA GREEN Catted Connection Pipes and OEM Adapters. 304 Stainless Steel Construction. 3/8" Thick Laser Cut Flanges. 1-7/8" Mandrel Bent Primaries. 3" Collectors with Kooks' Patented Scavenging Spike. Dual Bolt Pattern Header Flange. Kooks ULTRA GREEN Cats EPA verified 400 Cell High Flow Catalytic Converters. Kooks ULTRAGREEN Cats are engineered to perform in Modern Muscle cars making up to 850 RWHP. Includes Gaskets, Oxygen Sensor Extension Harness, Clamps, Bolt Kit and O2 Spacers for Installation. No additional parts required.
2015-2026 Mustang GT/Dark Horse 5.0L 4V 1-7/8" x 3" Stainless Headers w/ULTRA GREEN Catted Connection Pipes and OEM Adapters. 304 Stainless Steel Construction 3/8" Thick Laser Cut Flanges1-7/8" Mandrel Bent Primaries3" Collectors with Kooks' Patented Scavenging SpikeDual Bolt Pattern Header Flange Kooks ULTRA GREEN Cats EPA verified 400 Cell High Flow Catalytic ConvertersKooks ULTRA GREEN Cats are engineered to perform in Modern Muscle cars making up to 850 RWHPIncludes Gaskets, Oxygen Sensor Extension Harness, Clamps, Bolt Kit, and O2 Spacers for Installation. No additional parts required.
2015-2026 Mustang GT/Dark Horse 5.0L 4V 1-7/8" x 3" Headers w/ ULTRA GREEN Catted Connection Pipes and OEM Adapters. Includes Gaskets, Oxygen Sensor Extension, Clamps, Bolt Kit and O2 spacers. No additional parts required.
Kooks 15-26 Mustang GT/DH 5.0L 4V 1-7/8 x3 SS Headers w/Ultra Green Catted Conn Pipe/w OEM Adapters
1-7/8" SS Headers & ULTRA GREEN Catted Connection Kit. 2015-2026 Mustang GT/DH
1-7/8" Hdr w/ULTRA GREEN OEM Connection
1-7/8" Hdr w/Conns.
