When the Roush 380R arrived in 2003, based on a standard Mustang GT, the Stage 3 offered an Eaton Roots-type supercharger with an air-to-water intercooler, a new intake, a secondary sheave front ...

Roush Performance, famous for its Mustang performance parts and upgrades, just introduced a new supercharger kit that adds up to 330 horsepower and 195 pound-feet of torque to the factory 2024 ...