Bassani 4 DNT Megaphone Mufflers For Harley Touring Bassani's DNT mufflers consist of 4-inch, 16-gauge steel megaphone cans with 3-stepped baffles for lasting performance and killer sound. For the cherry on top, Bassani includes their billet end caps with internal machined flutes. Features: Features 16-gauge steel construction throughout Specially designed 3-stepped baffle that is acoustically tuned to deliver a unique deep and throaty exhaust sound while providing maximum performance Includes new-style billet end caps with internal machined flutes Sold in pairs Carb Approved