Literally anything goes. All cars have to do is pass a basic safety inspection. Only two Unlimiteds made the summit this year - David Donner’s 2011 PVA-03 (10:04) and Cody Loveland’s insanely bewinged Acura NSX (11:39).
Brad Keselowski comes in too hot into the pits, bowls over a few crew members. Ouchy