ROUSH Performance Stages. If you have a ROUSH Mustang, then it was built in one of four stages: RS (2013-, RS1 (2009-2019), RS2 (2009-2020), and RS3 (2008-Present), as well as limited edition speciality vehicles. For 2021, only the RS3 has been offered.

Unlock 810 horsepower and 630 lb-ft of torque with the 2024 Roush Mustang Phase 2 Supercharger Kit. Featuring dual throttle bodies, advanced cooling, high-flow injectors, and EATON TVS technology, this kit delivers peak performance and reliability.

The Roush Phase 1 Supercharger Kit is engineered to transform your Mustang into a 740 HP powerhouse with unbeatable durability, cooling, and power delivery. Power figures are based on optimal conditions using 93-octane fuel.

The Roush Phase 3 Supercharger Kit is the ultimate power-enhancing solution for your 2011-2014 5.0L Ford Mustang GT. Designed to deliver a jaw-dropping 675 HP and 585 FT/LB of torque, this kit provides an exceptional power boost of …

Apr 8, 2024 · As we celebrate the 60th anniversary of the Mustang, know that Roush has been involved with Mustang performance from the start and remains a major force building fast Fords to this day. Let’s look...

The 740 horsepower, 600 lbs-ft of torque Roush S650 Mustang Phase 1 Supercharger Kit is engineered to provide exceptional performance through innovative design and cutting-edge components, tailored specifically for Mustang enthusiasts seeking peak horsepower and reliability.

Oct 11, 2017 · If you own a Roush Mustang made in 2014, the RS was a V6, while the rest all had a V6 engine in them. Basically, the stages of Roush Performance describe which type of engine lives underneath the hood of your vehicle. In addition to stages, Roush Performance vehicles also come in different phases.

The ROUSH Mustang Phase 1 to Phase 2 Supercharger Upgrade Kit builds on the enhanced performance of the Phase 1 supercharger system by adding more power to the V8 5.0L Ford Mustang GT - boosting horsepower to 750 - an astounding increase of 290 horsepower over stock and an additional 50 horsepower and 60 pound-feet of torque over the Phase 1.

The Roush Phase 2 Supercharger kit builds on the enhanced performance of the Phase 1 supercharger system and boosts the stock 5.0L V8 Ford Mustang GT to an astounding 750 horsepower and 670 pound-feet of torque - a gain of 290 horsepower over the stock engine.

Building on the excellence of the Phase 1 supercharger system for 2015-2017, our Phase 2 system incorporates proven core components and precise calibration, delivering an additional 57 horsepower and 65 lb-ft of torque over the already impressive 670 hp/545 lb-ft system.