Shelby American Bumps 2011 Ford Shelby GT500 to 800 HPJust the Facts: * Shelby uncoils an aggressive Super Snake package for the 2011 Ford Shelby GT500. * A modified suspension, Borla exhaust and Alcoa 20-inch wheels are part of the package. * Engine choices include a Shelby/Ford Racing supercharger upgrade that nets 660 hp and 590 pound-feet of torque, with 750 hp and Shelby/Kenne Bell 800-hp options.LAS VEGAS — Shelby American is offering another of its inimitable tuner packages, this one a Super Snake version of the 2011 Ford Shelby GT500 that can power the muscle car all the way up to 800 horsepower.Read more:www.insideline.com/...