My TGB 150 scoot has gone from near silent to a wanna be HD. And I'm loving it! Something has come loose inside the muffler which I can hear rattling around inside the can. The result is a wonderful chorus of burbles, rumbles and pop-pop-poppppppp on acceleration or deceleration. And there seems to be no reduction in performance. I see this as a massive improvement in creating awareness in the cagers of my presence as I filter through peak hour traffic. It also does wonders in keeping pedestrians on the footpath too. One question - is this change in the function of the muffler doing any harm to my ride? Is it really affecting performance (good or bad) and will my short term Hog-Heaven dream come to an abrupt mechanical end? As far as the EPA is concerned - well, I have dozens of HDs burbling past my place in Eltham every weekend and they are WAYYYYY louder than my unmuffled 150 TGB. So, decibels, shmecibles. Is this a fault I really need to get fixed or a new feature to celebrate? I was looking to buy a 'performance' pipe at some stage so this 'fault' has come along in the nick of time.