2008 Ford mustang shelby gt500 horsepower Source Source Source Source Source Source Source Source Source Source Read Also: 2009 Ford mustang shelby gt500 horsepower 2007 Ford mustang shelby gt500 horsepower 2008 Ford mustang shelby gt 2d coupe horsepower 2012 Ford mustang shelby gt500 horsepower 2013 Ford mustang gt500 super snake horsepower 2008 Ford mustang shelby gt 500 horsepower