ROUSH has just announced a new ROUSHcharger (read: supercharger) for the GT500 that's capable of taking the GT500's 5.4-liter V8 all the way up to 700 horsepower with the right combination of mods.

Roush offers supercharger kit for Mustang ... is the same one you'll find strapped to the V8s in the Ford Mustang Shelby GT500 and the C7 Corvette ZR1. The supercharged engine uses an 84 mm ...

A Roush-tuned Ford Mustang is a modern muscle car gone manic ... which straddles the performance line between the Boss 302 and the Shelby GT500. If you like the sound of that but are looking ...

Prices shown are the prices you can expect to pay for a 2017 Roush Performance Stage 3 Mustang 2 Door Fastback GT across different levels of condition. Edit options.

Prices shown are the prices you can expect to pay for a 2017 Roush Performance Stage 3 Mustang 2 Door Convertible GT across different levels of condition. Edit options.