Brenspeed Gives This High-Mileage 2009 GT500 650 HP

Brenspeed Gives This High-Mileage 2009 GT500 650 HP

Brenspeed added a 2.9-liter Whipple supercharger, in addition to a few other performance parts.

The 2009 GT500 made 658 hp to the wheels on 93 octane.

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