A custom Shelby GT500 modified by a group called “Friends of Carroll” has sold for $200,000 at the Barrett-Jackson auction in Scottsdale, Arizona. As potent as the 2013 GT500 is from the ...

SPEED will be holding the contest once again for 2012, and today announced that it will be sweetening the deal for participants – a customized 2011 Shelby GT500 with 750 horsepower.