In addition to big horsepower, Mustang enthusiasts are always seeking ways to punch up and personalize their ponies. A vast aftermarket makes modifications easy, with parts ranging from simple ...

Roush has a new supercharger that takes output to 810 hp The entire kit costs only $9,995 Roush said the supercharger kit can't be sold or installed on a car in California Big horsepower comes easy ...

Last issue, my husband, JD, and I tested the latest 2.3-liter TVS Roush supercharger on our shiny new automatic-equipped 5.0-equipped Pony. Benefits include OEM-like fit and finish plus excellent ...

Most aftermarket tuners only list the price for their conversions; it's up to you to provide the car. So when we first read about an Ohio Ford dealership selling 727-horsepower, 610 lb.-ft ...