Quick, name the most powerful Ford Mustang ever. If you think it's from the late 1960s or early '70s, go back to listening to that Jimi Hendrix eight-track -- you're a few decades off. The correct answer is the 2008 Ford Mustang Shelby GT500. With a 500-horsepower supercharged V8, this "King of the Road" Mustang promises to push its jockey into the seat with even more gusto than any pony of the past., , In addition to the supercharged V8, the Shelby GT500 features a six-speed manual transmission, a tuned suspension, sticky 18-inch Goodyear F1 supercar tires and meaty Brembo brakes with 14-inch front rotors fitted with four-piston front calipers. Of course there are the obligatory racing stripes, emblazoned with "GT500" just like its Age of Aquarius forerunner. Of course there's a beefed-up chassis that's up to the task of handling all the power belted out by that monster motor, , HID HEADLAMPS, GT500 PREMIUM TRIM PACKAGE, SHAKER 1000 AUDIO SYSTEM, AMBIENT INTERIOR LIGHTING, , 5.4L 4V V8 that puts out 500 hp and 480 pound-feet of torque