I can relate to the sound, I have Staintune Carbon cans on mine with 41 FCRs as well as an open airbox. They are loud but they make such beautiful music! I live on 10 acres and don't have any neighbours nearby so I don't feel guilty about the sound. I actually just got mine out of storage and fired it up tonight, going on a ride tomorrow! I have been riding my BMW R1100S up til now, the sun is out and its warm so its time to give the Duc a workout!