1. Toadster

    GEN 2 POLL: SPD Trombone - do you drone?

    There are some of us who experience drone around 2K rpm with the SPD trombone, I'd like to run this poll to see if we can determine if it's a year/mileage thing... When I reached out to SPD they said my 2017 with 54k miles may have blown out the OEM muffler packing so it may drone - let's see if...