The ROUSH Phase 2 supercharger upgrade for 2015–2017 Mustang 5.0L builds on the Phase 1 system by adding proven core components and recalibration to deliver an additional 57 hp and 65 lb-ft of torque. The upgrade yields an outstanding 727 hp and 610 lb-ft of torque when combined with ROUSH engineering and calibration work developed through lab, dyno and field testing to ensure consistent on-road performance.
Roush 2015-2017 Ford Mustang Phase 1-to-Phase 2 727HP Supercharger Upgrade Kit