The Fox Body Mustang Everyone Slept On — Until Velocity Gave It 715 Horsepower and a $280,000 Price Tag by Jack Harmon Velocity Restorations took a humble 1991 Mustang notchback and turned it into a 715-horsepower restomod that still looks almost stock. Here’s why the long-overlooked Fox Body was the perfect car for this treatment — and why it now costs nearly ,000.