X Games 18 is just about a week away and a trailer has been released teasing Team Hot Wheels attempt at the double loop. The event will feature renowned RallyCross competitor Tanner Foust and Hollywood stunt driver Greg Tracy, as they attempt to break a World Record for racing two vehicles through a six-story double vertical loop. The record-breaking stunt will be attempted on June 30th during X Games 2012 in Los Angeles. Check out the video!