Koronis Parts Inc NICKEL CHROMED STEEL RUMBLE PACK 331-600 fits Yamaha

Sno-Stuff Rumble Pack Silencers continue to set new standards in the industryAll Rumble Packs are designed from the ground up with performance, quality and reliability as primary goalsExtensive dyno testing with the best equipment available insures accuracy and honesty that others can not matchSno-Stuff takes pride in making sure that the fit is perfect with no modifications to the belly pan necessary for installationThe exclusive Rumble Pack internal design allows for stock like sound levels but with an exhaust note that is nothing like stock at allNo other silencer in production offers all these qualities at such an affordable price