I had my exhaust guy keep my stock muffler and resonator for about a month while i debated whether the noise was worth putting up with.
As I had a before and after dyno done there was no question as to whether it was worthwhile power wise so you tend to feel lile its worth putting up with when the facts are pretty conclusive and its just bnot all the noise making it feel faster.
Even still I wasn't happy with the loud burble at 1800rpm which is a common rev range to cruise in.
Funnily enough before I actually decided to fix it I changed cam and the cam quietened it down and it doesn't burble at 1800rpm any more. I know a cam quietening the exhaust! But it did. Probably noiser at 3500rpm now but you dont drive around at 3500rpm as thats over 115kmh for me in third and I have fourth to go.
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