Description: Get Ready Motorheads! The O'Reilly Auto Parts Street Machine Nationals roars into the Minnesota State Fairgrounds July 17-19, 2015 with Burnouts, Autocross, Thousands of Show Cars, DYNO, Bikini Contests, and more. It's a national celebration of horsepower & torque that will fill St. Paul with high performance muscle cars, pro-touring cars and street machines from across the country. Get ready to see some show stopper cars, hear the screechin' tires on the Hotchkis Autocross & smell the burnin' rubber of the Burnout Contests.