Quote:
Originally Posted by 1000hp
Anybody else get a mild drone at 3k RPM under load?
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Yes. I have the non-resonated with factory downpipes, and with valves wide set to always open on BM3, the drone is unbearable. Setting the valves to OEM settings fixed the drone entirely, and makes it much more enjoyable to drive. Seems that is the consensus when running valves wide open, as it is essentially a straight pipe