The Screamin' Eagle Titanium Performance Slip-on Muffler features Full Titanium construction providing a 50% weight reduction over stock mufflers increasing performance and acceleration. Kit includes pre-installed carbon fiber end cap and carbon fiber muffler shield along with required hardware for installation. Fits '19 - later FXDRS models. All models require ECM Calibration with Screamin' Eagle Pro Street Tuner (sold separately). 50- state U.S EPA compliant.