Bassani Chrome Short Upsweep 2 into 1 Pipe Road Rage Exhaust 06-2017 Harley DynaBRAND NEW PART # 13112J OR 1800 1280 FITS 2006 2017 DYNA FXD and FXDWG MODELS Stepped headers merge into a true reverse cone megaphone muffler 13 4" headpipe steps up to 17 8" into the collector to increase flow and improve performance 4" muffler body with billet end cap Removable spiral core louvered baffle included Include mounting hardware Available in long (24") and short (12") muffler lengths with chrome or black finish unless noted Heat shields