Modded 2007 Shelby GT500 Impress on the Dyno

The most passionate modern Shelby Mustang enthusiasts know that the 2007 GT500 fitted with supercharged 5.4 Liter V8 motor comes with 500 horsepower and 480 pounds of torque from the factory. This particular example equipped with supercharger unit from the 2013 Shelby GT500 model, GT500KR mufflers and aftermarket throttle body for the blower puts down some impressive numbers on the dyno. I know 621rwhp doesn't have the wow effect in 2019, but is a lot more than the factory 500, so check out the video and make sure you smack the Like button for this modded 2007 Shelby GT500!