Tuned to provide a deep base exhaust note and great rumble throughout the RPM range, this 4.5" Street Cannon Muffler delivers the famous Harley® sound while preserving the peace with your neighbors. You get a nice bark when you get on the throttle, and a deep mellow tone when cruising at constant speed.;Black finish;Tuned baffle works with the internal high flow catalyst to strike the perfect balance required to deliver performance;Large 4.5" diameter Street Cannon provides free flow of exhaust gases;Can be fitted with a wide variety of styled muffler end caps (sold separately);Requires choice of chrome or satin black muffler shield with laser etched logo (sold separately);59-state U.S. EPA compliant