Roush Phase 1 Supercharger Kit Mustang GT/ Dark Horse 2024-2025
Highlights
- Unleash 740+ Horsepower
- Dual Front Inlet Design
- Precision Fuel Delivery
- Accurate Tunings
Roush Phase 1 Supercharger Kit for 2024-2025 GT and Dark Horse Mustangs.
This supercharger kit (422338) is the ultimate enhancement for your 2024-2025 GT or Dark Horse Mustang. It unleashes the dormant horsepower in your ride and boosts airflow. The amplified power delivery will give you an edge in all applications. The high-performance intercoolers and inverted design work to keep temperatures low. A billet fuel rail system complete with superior high-flow dual cone injectors ensures a precise fuel supply. The cutting-edge FEAD mechanism lessens the crankshaft burden, promoting longevity.
Features and Benefits:
- A remarkable output of over 740 horsepower and 600 lb-ft of torque
- Enhanced airflow through dual front inlet design
- Inverted supercharger setup integrating dual high-efficiency intercoolers
- Roush Diagnostic Tuning Software ensures accurate tuning and diagnostics
- Achieves maximum efficiency with minimal cooling restriction
- Advanced high-flow injectors ensure optimal orientation and fuel flow
- Precision-machined custom billet fuel rails assure reliable fuel delivery
- Innovative Front-End Accessory Drive (FEAD) enhances crank performance
- Specialized degas bottle improves coolant circulation and reduces aeration
- Compatible with stock dual 80mm throttle bodies for easy installation
- Efficient plug-and-play Bosch PCE intercooler pump included
- Dazzling bold red finish presents a show-ready look
- Fits precisely under factory hood and retains K-brace compatibility
- Proudly engineered and manufactured in the USA
Vehicle Fitment:
- 2024-2025 GT/Dark Horse Mustangs
California Residents: Proposition 65 Warning
Related Categories: Mustang 5.0L Supercharger Kits
This item is 50-state legal (CARB E.O. Number D-488-65)
Installation Difficulty

Intermediate skill is required for this installation.














