Commando Style Megaphone Muffler Commando Style Megaphone Muffler. An "XS Performance" part. Chrome Megaphone is 26" Long x 3 7/)8" end Dia. with a welded in mechanical steel baffle, welded on end cone and a reinforced mounting bracket positioned to improve fit to the XS chassis and includes a hanger strap and clamp. Fits: 1.5" (38.5mm. ) OD  Head pipes .No reducer sleeves are provided   Part #07-0065