Mustang 5.0 V8 is already a powerhouse that would suffice for most of its buyers. Packing a healthy 480 hp and 418 lb-ft, the Mustang GT won’t shy away from a light-to-light showdown. However, modern ...

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-fee ...

The 2008 Roush P-51A Mustang package more than doubled the sticker price of Ford’s Mustang GT. At the time of its production, it was the highest-horsepower Mustang that Roush produced.