Prices shown are the prices you can expect to pay for a 2016 Roush Performance RS Mustang 2 Door Fastback V6 across different levels of condition. Edit options.

Roush’s supercharger kit is described as a limited-run “Launch Edition” that increases the Mustang GT’s 5.0-liter Coyote V8 engine output to a jaw-dropping 810 horsepower and 630 pound ...