Their models like the Twin Slash, Big Radius, and Shortshots Staggered are popular choices.
Rinehart Racing: Rinehart slip-on exhausts are recognized for their deep, throaty sound and excellent performance gains. The MotoPro 45 and Slimline Duals are among their popular options.
Bassani: Bassani is another reputable brand offering slip-on exhaust systems for Harley Davidson bikes. They focus on performance and have a range of options like the Road Rage, Pro Street, and Slip-On Mufflers.
Akrapovič: Akrapovič is well-known for producing high-performance exhaust systems across various motorcycle brands. Their slip-on exhausts offer a balance of performance, sound, and aesthetics, although they tend to be at a higher price point.
It's important to consider factors such as sound preferences, performance gains, build quality, and legal compliance (meeting noise and emission regulations) when choosing an exhaust. Additionally, local regulations and your specific Harley Davidson model may also influence the available options. It's recommended to consult with experienced riders, read customer reviews, and visit Harley Davidson forums or authorized dealers to gather more information and find the slip-on exhaust that suits your needs.