Screamin’ Eagle Street Cannon Slip-On Mufflers

Dialled in to enhance the performance of the Milwaukee-Eight® engine, theseslip-on mufflers feature a large inlet for improved airflow. When teamed with afree-flowing air cleaner, these Street Cannon mufflers deliver horsepower andtorque gains you can feel. Large 4.5" diameter mufflers are tuned to provide a rich exhaust note, a deepbass rumble, and great throaty sound when you roll on the throttle To strike a balance with your neighbours, the large internal volume andstrategically designed baffles help maintain the peace at partial throttle Large diameter body adds a muscular look to your ride, and the newly designedmounts keep the mufflers tucked in close to the bags for a clean profile Features a die-cast Screamin' Eagle® medallion on their flanks Can be fitted with a wide variety of styled muffler end caps to provide theperfect finishing touchDetailsFits 17-later Touring models (except '23-later FLHXSE, FLTRXSE models, '24-laterFLHX, FLTRX and '25 FLHXU and FLTRXRRSE models). Does not fit Trike models.Installation requires a separate purchase of Muffler Clamps P/N 65900012 and65900015. All models require ECM calibration with Screamin' Eagle® Pro StreetTuner for dealership-installed Screamin' Eagle calibration proper installation.Does not fit 21-later California models. Refer to H-D.com/shop for status.ECM Calibration Required: YesDiameter: 4.5Material Diameter UOM: InchesSold Separately: Muffler Clamps 65900012 and 65900015, 2 end capsSold In Units: PairScreamin' Eagle Stage Upgrade: Stage IMaterial: SteelIn the Box: Pair of mufflers