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Exhaust drone at low RPM (HFC swap?)

i don't think the resonated hfc will do too much to solve the drone. Without specific tuning side branch pipes or helzmoltz pipes, it's going to be there. Either have

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		Nissan 370Z Forum > Nissan 370Z Tech Area > Engine & Drivetrain > Intake/Exhaust
Exhaust drone at low RPM (HFC swap?)

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10-19-2016, 03:51 PM	#3 (permalink)
future370zzz Track Member Join Date: Dec 2011 Location: Bay Area Posts: 555 Drives: 10 Nissan 370z Rep Power: 16	i don't think the resonated hfc will do too much to solve the drone. Without specific tuning side branch pipes or helzmoltz pipes, it's going to be there. Either have to live with it, shift to 5th gear to get out of rpm band with drone, or add on side branch pipes. __________________

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