The Vance & Hines muffler fits a wide range of bikes including many variations of the Sportster and Softail, but you'll want to double-check compatibility before you make the purchase.

With more than 60 reviews on RevZilla, these slip-ons have a 4.5 out of 5 score, and owners say they are easy to get installed onto your bike. You can pick these up for $411.30 from RevZilla.