2013 shelby gt500

Check out this caranddriver.com story: http://www.caranddriver.com/news/car/11q1/2013_ford_mustang_shelby_gt500_to_have_camaro_zl1_slapping_600-plus_horsepower-future_cars The power wars continue to heat up with the ZL1 Camaro producing 550+ hp and Ford upping the stakes with a 600+ hp...