"Our engineers have really pushed the envelope with this ROUSHchargerTM and I think it is a credit to them to get as much as 200 horsepower out of the GT500 engine," said Jack Roush. "We are ...

The 2.65-liter four-lobe supercharger is the same one you'll find strapped to the V8s in the Ford Mustang Shelby GT500 and the C7 ... you get Jack Roush's signature on the supercharger head ...

Unsealed FBI records show a sprawling undercover investigation involving high-performance stolen vehicles, a savvy crew and a ...

It features Jack Roush's signature etched on the head unit and comes with unique Phase 2 tuning. Regular Phase 1 and Phase 2-tuned supercharger kits will go on sale later this year, which the ...

Our own Drew Phillips recently got to spend time with the 540-horsepower 2012 Roush RS3, which straddles the performance line between the Boss 302 and the Shelby GT500. If you like the sound of ...