Roush recently unveiled its new Stage 1 and Stage 2 kits for the 2012 Ford Mustang range. If that wasn't enough, the guys at Roush have already released the Stage 3 kit which is also known as the RS3 package. The tuning package is designed for the 5.0-liter V8 Mustang GT and sees the addition of an R2300 'ROUSHcharger' supercharger, a new induction system, high-flow exhaust and modified ECU.
Add these upgrades and enhancements boost the stock 412-horsepower to a new peak of 540-horsepower and 465 lb-ft of torque. Joining the package is the new graphics and appearance package that includes a front fascia blackout and a rear decklid blackout that features the imprinted signature of motorsports legend Jack Roush. There are also up to 288 color and pin-striping combinations. All Roush RS3 upgrades come with a three year/ 36,000 mile powertrain warranty, and the equipped 2012 Roush RS3 Mustang is priced at around $59,945.