Kooks 1-3/4" Stainless Headers & Catted Connection Kit. 15-26 Mustang GT 5.0L. — 1151H222

• 304 Stainless Steel Construction
• 3/8" Thick Laser Cut Flanges
• 2" Mandrel Bent Primaries
• 3" Collectors with Kooks' Patented Scavenging Spike
• Dual Bolt Pattern Header Flange
• Kooks Performance Cats 400 Cell High Flow Catalytic Converters
• Performance Cats not for use on Forced Induction Applications
• Includes Gaskets, Oxygen Sensor Extension Harness, Clamps and Bolt Kit required for Installation
• No additional parts required.

Part number: 1151H222

Vehicle application

2015-2026 Ford Mustang GT 5.0L V8, 2015-2026 Ford Mustang GT Premium 5.0L V8, 2015-2015 Ford Mustang GT 50 Years Limited Edition 5.0L V8, 2019-2020 Ford Mustang Bullitt 5.0L V8, 2021-2023 Ford Mustang Mach 1 5.0L V8, 2024-2026 Ford Mustang Dark Horse 5.0L V8, 2024-2026 Ford Mustang Dark Horse Premium 5.0L V8

Use restrictions

Competition use only. This part is not intended for use on public roads.

WARNING: This product can expose you to chemicals including Chromium and Nickel, which are known to the State of California to cause cancer, birth defects or reproductive harm. For more information go to www.p65warnings.ca.gov

Professional installation available at League Motorsports — Los Angeles.

Financing available — Apply here.

Not sure what your fitment is? Contact us by phone at 213-372-5955, DM us on Instagram, or email info@leaguemotorsports.com.