Ford Motor Company has made supercars before – like the Ford GT that took on Ferrari at Le Mans – and won. Now the automaker is taking the supercar recipe to its everyday Mustang pony car, featuring supercharged performance, and a supercar price of around $300,000. The Mustang GTD, just debuted at Monterey Car Week, is basically the company's Mustang GT3 racecar, for the road – but it’s even more hardcore than the racecar, if you can believe it. Ford says the GTD is powered by its most powerful V8 ever, a version of the GT500’s “Predator” 5.2 Liter supercharged…