Roush Supercharger Kit 18-21 Mustang Phase-2

The Roush Supercharger Kit 18-21 Mustang Phase-2 is a bolt-on forced-induction system engineered for fifth-generation Mustang enthusiasts seeking substantial horsepower and torque gains without engine modification. This complete supercharger package addresses the demand for reliable, factory-quality power upgrades on 2018–2021 Mustang platforms. ROUSH Performance Parts designed this Phase-2 system to deliver measurable performance while maintaining streetability and long-term reliability for both weekend drivers and track-focused owners.

At the heart of this system is ROUSH's R2650 TVS (Twin Vortices Series) supercharger, a positive-displacement rotary-screw design known for efficient boost delivery across the RPM band and minimal heat signature compared to centrifugal designs. The black powder-coat finish on all external components ensures corrosion resistance and a refined appearance in the engine bay. The complete kit includes intercooler integration, custom intake manifold, fuel system calibration, and all necessary bracketry and hoses—eliminating the need for sourcing individual components. The 170-pound assembly consolidates a significant upgrade into a manageable package designed for installation without cutting or welding the stock frame.

This kit suits Mustang owners seeking verified power output backed by OEM-quality engineering rather than experimental turbo conversions or risky tuning. Installation requires professional shop support or advanced DIY capability; supporting modifications to fuel delivery and engine control logic are included in the package. Compatibility is limited to 2018–2021 Ford Mustang models, and users should verify their specific engine variant before purchasing. The Phase-2 designation indicates this is an improved, second-generation iteration of ROUSH's supercharger line for the S550 platform, reflecting refinements in intercooler efficiency and throttle response calibration.