Ultimate Headers 1-7/8" Long Tube Headers with High Flow Cats – 2015–2017 Mustang GT (475021)
Unleash the full potential of your S550 Mustang GT with the Ultimate Headers 1-7/8" Long Tube Headers with High Flow Cats. Engineered for maximum performance and precision fitment, these headers are crafted from premium 304 stainless steel and built to handle the extreme heat and pressure of high-output Coyote engines. Whether you’re chasing every horsepower on the dyno or demanding reliability at the track, these headers deliver exceptional results with stunning looks to match.
Featuring tight-radius cast stainless steel elbows and investment-cast stainless flanges, Ultimate Headers provides a design that fits large-diameter tubes into tight engine bays without compromising clearance or flow. Each system is TIG-welded in precision jigs for consistent quality and superior strength. The integrated high-flow catalytic converters improve exhaust efficiency while maintaining a deep, aggressive tone that defines performance.
Features
- Fits 2015–2017 Ford Mustang GT (5.0L Coyote)
- 1-7/8” long tube headers for optimized power and exhaust scavenging
- Constructed from high-grade 304 stainless steel for superior durability and corrosion resistance
- Tight-radius cast stainless elbows ensure excellent fitment and enhanced airflow
- Investment-cast stainless flanges provide a perfect seal and unmatched strength
- Integrated high-flow catalytic converters improve performance and sound quality
- Hand TIG-welded for precision and longevity
- Includes O2 sensor ports for seamless integration with factory or aftermarket systems
- Available with Extreme Low-Profile Clamps for additional clearance
- Cometic HTS header and collector gaskets included for a complete installation
Benefits
- Maximizes horsepower and torque gains throughout the RPM range
- Improves throttle response and exhaust tone
- Durable 304 stainless design stands up to heat, vibration, and corrosion
- Excellent fitment in tight engine bays with no compromise on performance
- Includes everything needed for an easy installation
Kit Includes
- Pair of 1-7/8” 304 stainless steel long tube headers
- High-flow catalytic converters
- Cometic HTS header and collector gaskets
- Mounting hardware and O2 sensor ports
Fitment:
- 2015 Ford Mustang GT 5.0L
- 2016 Ford Mustang GT 5.0L
- 2017 Ford Mustang GT 5.0L
For off-road use only. Requires ECU tuning for proper operation. Not legal for use on pollution-controlled vehicles.*
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
