Thanks for the explanation! We had the motopro45 on our previous bike and now the dbx45 on this bike. Both sound great and exactly as you explained, the dbx45 are a little louder but not too loud. We ride a lot of long days and the great thing about the dbx45 is they aren't real loud until you want them to be. During normal riding, they are fairly quiet until you crack the throttle, then they come alive. Thanks for a great product, guys!