Roush has released its ROUSHcharger kit for the new 5.0-liter Mustang after its debut at the Woodward Dream Cruise, force-feeding performance nuts with enough induction to pump the Mustang GT's output from 412 horsepower and 390 lb-ft of torque to a monstrous, semi-warrantied 550HP and "more than 470 lb-ft" of torque. What was once strictly Ford GT and GT500 power has officially become available for the M3-hunting Joe Regular GT, all at a suggested price of $5,999.
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