BRAND NEW PART # 13311R Fits 1991-2005 Harley Dyna FXD forward and mid-control models Road Rage HS 2-into-1 collector system 4″ Muffler 21″ Long 1 3/4 in. to 1 7/8 in. stepped headpipes End cap is removable via a stainless button head allen bolt 18mm oxygen sensor ports Fits forward and mid-controls Baffle wrapped in woven fiberglass mat is removable and serviceable; moderately aggressive sound Includes full coverage heat shields