While a new factory-stock Ford Mustang GT is a capable performer in its own right, once the guys at Roush get their hands on it, this pony is transformed into a whole new animal. While the Roush Stage 3 package sports a host of suspension, brake, interior and appearance upgrades, the star of this particular show is clearly Roush's exhaust upgrades and the supercharger bolted atop the GT's 5.0-liter V8. Output now stands at 575 horsepower and 505 lb-ft of torque, and when mated to a six speed manual transmission like this particular example is, tires everywhere tremble in fear.
