Were taking you behind-the-scenes of the Guiness World Record stunt that sent Tanner Foust and Greg Tracy in two vehicles through a six-story double vertical .\r<br>\r<br>Team Hot Wheels drivers, Tanner Foust and Greg Tracy set a new world record racing two vehicles through a six-story double vertical loop at the 2012 X Games .\r<br>\r<br>Tanner Foust and Greg Tracy conquer the Hot Wheels Double Dare Loop at X Games Los Angeles. SUBSCRIBE ▻ For more .\r<br>\r<br>Subscribe to RaceGrooves Track Time By RaceGrooves Playlist .
