Roush Performance
2011-2014 5.0L ROUSH Phase 1 Supercharger Mustang 575HP Upgrade Kit

575 Horsepower and 505 lb-ft of torque (upgrade to previous 525hp or 540hp kits/vehicles) NOW 50 States emission legal for 2011-2014 / CARB E.O.# D-418-22 Available for manual and automatic transmission 85mm S/C Pulley 2085mm FEAD Belt Unique ROUSH PCM Calibration (Vehicles PCM must be shipped back to ROUSH) Works with 2011-2014 Ford 5.0L Mustangs equipped with the ROUSH 5.0L supercharger kits producing 525 or 540 horsepower Maintains original 3 Year/36,000 Mile Powertrain/Drivetrain warranty. Part # 421387