The air is filled with the stench of fuel and the whine of motorcycles racing around the track. Behind the grandstand sprawls the Extreme Auto Fest , one of several touring shows devoted to Japanese import cars. Opened hoods and trunks expose the endless variations of tricked-out engines and tanks of nitrous oxide. As with any car show, it comes with a high babe factor. Several vendor booths feature Asian models signing photos. Two girls in platform shoes go-go dance in front of an exhibit for herbal Viagra.