R. J. Von. Bike universal racing exhaust bike db killer silencer muffler. Vehicle compatibility: R. J. Von -modified motorcycle exhaust pipe extension 51 mm adaptor. Vehicle compatibility: Ktm/Yamaha/Suzuki/hero/Bajaj. Used at the time of attaching exhaust muffler to less dimension pipe to scooter. Racing parts should be installed by a professional mechanic. Note - before placing an order, please make sure our product fits for your motorcycle. We also thanks you for visiting our page and viewing our products or purchasing them, kindly gave your valuable feedback on our products. Reduce deep note sound. Adjustable and removable.