As a PV2 owner I can attest you can't get much louder without going to straight pipes. The sound is really good and I always got great feedback from the spectators when running it wide-open in rallycross. The street sound reminds me a lot of a throatier version of my Kawasaki, which is a '73 Z-1 900 with the Kerker 4-1 and 2.5 race baffle. Sounds like something hungry and lethal is coming down the road.