Fits '17-later Touring models (except '23-later FLHXSE, FLTRXSE models, '24-later FLHX, FLTRX and '25 FLHXU and FLTRXRRSE models). Does not fit Trike models. Installation requires separate purchase of Muffler Clamps P/N 65900012 and 65900015. All models require ECM calibration with Screamin' Eagle® Pro Street Tuner for or dealership installed Screamin' Eagle calibration proper installation. Does not fit '21-later California models. Refer to H-D.com/shop for status.