DR.D manufactures high-performance exhaust systems and muffler systems. All DR.D's products are developed and tested on the track by Doug Dubach to give your motorcycle exceptional power and performance.
American DR.D, Dubach Racing Development, owned and operated by the renowned motocross and test rider Doug Dubach. All DR.D's products are developed and tested by Dubach himself. He also test drives original bikes and then develops the exhaust systems that provides better power and performance than the originals. Each exhaust system from DR.D is unique and have all been developed and tested to improve the bike's character in the best way possible. The company name Dubach Racing Development emerged as a variant of Dubachs nickname Dr. Dubach (DR.D) and is now a household name all over the world. DR.D's unrivaled products are used by both the elite and professional riders and of course by most factory teams worldwide.