Bassani 3 Firepower Series Slip-On Mufflers For Harley Sportster Bassani wanted to come out with slip-on series to increase not only sound, yet performance and power. The Firepower Series slip-ons are just that. This is a 3 muffler body that has been equipped with 2 baffles and finished off with contrast fluted end caps. There are also other various end caps you can acquire to either mix and match or maybe another set of caps have grown on you. Features: Slip-On mufflers feature 16-gauge steel construction with black finish Improve power and performance 2 baffles Sold in pairs Optional replacement end caps available separately