1. R1250 GSA Slip On
Purchased this slip on for my 2019 R1250 GSA. Sounds excellent! Adds a rich deep tone to the exhaust without being obnoxiously loud. Videos of this exhaust revving do not do it justice. Must be under load to fully appreciate it! I've never been a huge fan of the BMW boxer exhaust note but this exhaust has made me change my mind.