Grand Forks, N.D. — (August 16, 2013) — Dirtvision.com features live audio Friday night from the World of Outlaws STP Sprint Car Series from the River Cities Speedway in Grand Forks, North Dakota. Audio is scheduled to start at approximately 7:00 p.m. CST. Make sure to also visit worldofoutlaws.com and follow their coveritlive coverage to enhance the live audio.