Once again I agree with you. Loud can definitely damage your own hearing. My HD left my ears ringing for 3 days after a Melb - Bris - Melb ride. The coolest thing I saw was a street Pontiac Parisienne pull a 12 at the drags, quietly. I think the standard Victory pipes are hard to beat and can handle some cam, timing, fuelling and breathing improvements. This can avoid the popping and add some torque in the right range. I will probably do this one day just to see other bikes reaction when a quiet Vision leads them trailing.