Change the nature of your BMW R NineT by adding more power, improved performance, and the unique BOS Exhausts sound.
Everything packed in a stylishly designed system. The result of taking design very seriously is a beautifully handmade exhaust system.
This unique DoubleUpper system is based on our Glemseck 101 roadracing experiences.
Fits also on the BMW R NineT Pure, R NineT Racer, R NineT Urban GS and R NineT Scrambler.