If your in the market for circle track racing or sports car exhaust systems then look no further. Dirtcar USA offers DYNATECH competition exhaust systems that are superior to other manufacturers. For more than 20 years, Dynatech has focused on new technology to continue producing exhaust systems with superior fit, function and performance. Racing and engineering advances throughout the industry are bringing a new breed of racing and performance cars to the tracks and the streets. You will see that excitement and new performance technology when you look at Dynatech exhaust products.