Need a new end cap for your Long Megaphone muffler? Bassani offers replacement end caps for replacement purposes in case you might have lost one down the road, got scratched, or any other reason you may need a new cap, they have you covered. Black with contrasting flutes 4-1/8" diameter Sold individually; Fits Bassani 4" Road Rage 2-into-1 Long Megaphone Muffler Softail 443-718; Dyna Chrome 443-716 or Ceramic Black 443-717; Sportster, Chrome 443-720, Chrome Slip-On Mufflers for Touring Models 450-018.