FWIW, Dunstall used to manufacture silencers, now widely copied, means dunstalls nowadays is a style/type of silencer/muffler. So details of how they're constructed will probably vary.
Yes, I would say the industry learnt about "some" stupid design "features".Fortunately, the industry soon learnt about stupid design features.
Yes, I would say the industry learnt about "some" stupid design "features".
And if I recall correctly, Dunstall was very road-race oriented, so wouldn't have given a fig about centerstand retention, in fact, would have regarded removing it as a plus![]()

Lots of nice/interesting stuff going on here...!Getting close to finishing my mates Tracker