Quote:
Originally Posted by Patrón
the only after market exhausts that are not going to drone have Helmholtz chambers. valved or not, without the Helmholtz chambers they will drone.
unfortunately the best sounding exhausts at wot drone like crazy. I had an amazing sounding exhaust but the drone was killing me so i had to change it out for none drone design.
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Huh, I see! Would it be the same issue with an IPE F1? Would that drone even with valves closed?
Thanks!