Roush 2015-2017 Mustang P1 to P2 Supercharger Upgrade Kit - 727 HP

Roush 2015-2017 Mustang P1 to P2 Supercharger Upgrade Kit - 727 HP

The Roush Phase 1 to Phase 2 Supercharger Upgrade Kit takes your 2015–2017 ROUSHcharged Mustang to the next level, boosting output to an impressive 727 horsepower and 610 lb-ft of torque. Designed as a direct upgrade from the Phase 1 system, this kit delivers significant power gains while maintaining daily drivability and reliability.

Performance Gains

• 727 HP @ 6,850 RPM
• 610 lb-ft torque @ 5,100 RPM
• +57 HP and +65 lb-ft over Phase 1 system

Key Features

• 80mm supercharger pulley for increased boost (no belt change required)
• Plug-and-play fuel pump controller for increased fuel delivery
• Colder heat range Ford spark plugs for safe high-boost operation
• Roush Phase 2 calibration via RDT (Roush Diagnostic Tool)
• Maintains excellent drivability with proven Roush engineering

Kit Includes

• Fuel pump controller
• 80mm supercharger pulley
• (8) Ford performance spark plugs
• RDT reflash voucher for calibration
• Warranty documentation

Fitment

• 2015–2017 Ford Mustang GT 5.0L with existing Roush Phase 1 supercharger system

Additional Notes

• 50-State Legal (CARB EO #D-418-29 for 2015–2016, #D-418-34 for 2017)
• Vehicle top speed remains unchanged from factory configuration
• Backed by 3-Year / 36,000 Mile Limited Warranty (Roush parts only)
• May void optional Roush powertrain/drivetrain warranties

Note: Designed as an upgrade for existing Roush Phase 1 supercharger systems only.