The 2013 Shelby GT500 version of the Mustang has only been on the market for a short time, and its 5.8-liter supercharged V8 has been putting other cars to shame. However, some people just can’t leave a 662 horsepower certified car alone. Introducing the Lethal Performance GT500, a monster equipped with a Wilson Pro-Flow nitrous pack. That’s just for starters, because we don’t know what else this pony-snake h... [...]Source: autoevolution