Ultimate Headers 1-7/8" Full-Length Free-Flowing Competition Headers – 2015–2020 Shelby GT350 (475046)
Push your S550 Mustang GT to its limits with the Ultimate Headers 1-7/8” Full-Length Free-Flowing Competition Headers. Engineered for the performance-focused enthusiast, these headers are built to unlock maximum horsepower and torque by optimizing exhaust scavenging and reducing restriction. Designed specifically for the 5.0L Coyote platform, they combine race-proven performance with stunning craftsmanship and a precision fit that sets a new benchmark for long-tube headers.
Constructed from premium 304 stainless steel, these headers feature tight-radius cast stainless elbows and investment-cast stainless flanges for superior fitment and strength. Each header is hand TIG-welded and finished with precision, ensuring unmatched durability under extreme heat and pressure. The full-length, free-flowing design maximizes power gains while producing an aggressive exhaust tone that perfectly complements your Mustang’s performance character.
Features
- Fits 2015–2020 Ford Mustang Shelby GT350 (5.2L Voodoo engine)
- 1-7/8” full-length competition header design for maximum exhaust flow and power
- Constructed from high-grade 304 stainless steel for durability and heat resistance
- Tight-radius cast stainless elbows deliver perfect fitment and enhanced airflow
- Investment-cast stainless steel flanges ensure precise sealing and long-term reliability
- Hand TIG-welded for professional-grade strength and consistency
- Includes O2 sensor ports for compatibility with stock or aftermarket systems
- Available with Extreme Low-Profile Clamps for added clearance
- Cometic HTS header and collector gaskets included for complete installation
Benefits
- Delivers exceptional horsepower and torque gains throughout the powerband
- Improves exhaust scavenging for faster throttle response and smoother power delivery
- Durable 304 stainless construction resists corrosion and heat fatigue
- Perfect for high-performance street builds, race cars, or boosted applications
- Complete installation package—no additional parts required
Kit Includes
- Pair of 1-7/8” 304 stainless steel full-length competition headers
- Cometic HTS header and collector gaskets
- Mounting hardware and O2 sensor ports
Fitment:
- 2015 Ford Mustang Shelby GT350 5.2L
- 2016 Ford Mustang Shelby GT350 5.2L
- 2017 Ford Mustang Shelby GT350 5.2L
- 2018 Ford Mustang Shelby GT350 5.2L
- 2019 Ford Mustang Shelby GT350 5.2L
- 2020 Ford Mustang Shelby GT350 5.2L
For off-road use only. Requires ECU tuning for proper operation. Not legal for use on pollution-controlled vehicles or sale in the state of California
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
