When we last drove a Roush Mustang 10 years ago, Roush Performance extracted 435 horsepower from the Mustang GT's stock 315-hp 4.6-liter V-8. Today, the company offers a new limited edition Jack ...

The new stallion atop Roush’s Mustang lineup gets a 540-horsepower upgrade complete with a second-generation R2300 supercharger, forged internals, high-flow fuel rails and injectors, upgraded ...

Also returning to the ROUSH Mustang Lineup for 2014 is the six cylinders ROUSH RS. With 305 horsepower the RS still packs quite the punch. The base RS package offers many upgrades, including ...

Roush used this week's SEMA show in Las ... For those of you counting, that's 15 hp more than the Ford Mustang Shelby GT500, plus 45 extra lb-ft of torque as well. To keep a lid on the heat ...

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 ...

The Stage 3 Mustang is one of the most extreme Roush packages available: Starting with a Mustang GT with the Performance Package, Roush adds its own Phase 2 supercharger and cold air intake ...

Chuck said he appreciates both of his cars, the '76 Trans Am, which is a prime example of what performance cars were in the mid- to late 1970s, and the 2006 Roush Mustang, which is everything a ...

Aftermarket tuner Roush Performance has taken the wraps off their most powerful variant of the 2015 Ford Mustang. Based on the standard Mustang GT, the Roush Stage 3 Mustang adds a supercharger to ...

Well-known on race circuits, Roush Racing is bringing its 360-horsepower Mustang to the streets. Jack Roush's work for the Big Three has been one of Detroit's most closely guarded secrets.

Depending on its calibration, the upgraded supercharger can produce up to 700 horsepower from the Mustang’s 4.6-liter V8. A warrantied version version with a ROUSH-assembled shortblock will be ...