RAPID CITY, S.D. (Aug. 5, 2014) – D & D Performance Exhausts, a leading performance motorcycle exhaust company, has agreed to offer up a $500 contingency to the top finisher who uses D & D Exhaust pipes in the AMA Pro Expert Twins class at tonight’s Black Hills Half-Mile by Dunlop. The same contingency program will apply for the upcoming Indy Mile, which is slated to run this Friday, Aug. 9, the second running of the Springfield Mile, scheduled to go off this Labor Day weekend on Aug. 31 and the Calistoga Half-Mile scheduled for Sept. 27.

Notable riders with D & D Exhaust pipes include defending Grand National Champion, Brad Baker, 2012 Grand National Champion, Jared Mees, Kenny Coolbeth, Jr., Nichole Mees, and GNC class rookie, Shayna Texter.

“The reason we’re putting money up for four races is because we’ve been involved with the series for such a long time,” said Rusty Studer, Research and Development for D & D Performance Exhausts. “We like to give back to the racers who are currently using our pipes. It’s beneficial for us because we use all of the technology that we gain from racing for development of our street bikes.”

Opening ceremonies for tonight’s Black Hills Half-Mile by Dunlop are scheduled to begin at 7:30 p.m. MT (9:30 ET, 6:30 PT). For tickets and more information regarding the event, please visit http://blackhillshdstore.com/Dunlop-Black-Hills-Half-Mile-AMA-Pro-Flat-Track.

How to Watch:
FansChoice.tv is the official home for live streaming coverage of AMA Pro Road Racing and AMA Pro Flat Track events in 2014. The site also provides coverage of IMSA's development and single-make series, and NASCAR's touring and weekly series.

About D & D Performance Exhausts:
D & D Exhaust exhaust systems are some of the leading performance motorcycle exhaust systems in the world. Built by reputation of excellent customer service, quality in every detail of the product, and the basic value of a system that performs as specified. D & D uses the state of the art Super Flow Eddy Current Ram Air Dyno, Super Flow Flow Bench, and the first in the industry multi-cylinder Lambda Fuel Air Ration Sensors, interfaced with the Dyno for real time meter and graph analysis.

About AMA Pro Flat Track:
AMA Pro Flat Track is a national motorcycle racing series in North America and is considered one of the oldest forms of motorcycle racing. Sanctioned by AMA Pro Racing, the Series is highly regarded as the most competitive form of dirt track racing in the world. The 2014 schedule consists of 16 rounds on the country's finest flat track courses. For more information on AMA Pro Flat Track, please visit www.amaproracing.com/ft.