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. Softail replacement mufflers 3" slip on muffler with slash cut tip 2" diameter x 12" baffles wrapped in woven fiberglass matt are removable Moderate exhaust level, louder than stock Mounts to stock brackets and uses stock hardware