10-20-2016, 04:48 AM
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#1 (permalink)
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Track Member
Join Date: Oct 2010
Location: Qatar
Posts: 600
Drives: 10 370Z PW 6MT
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Quote:
Originally Posted by future370zzz
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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 as recently changed my FI non-res HFC to MD headers with helmholtz res and the drone went away, which make me think seriously of changing FI exhaust to either HKS, Ark or MD.
I think the only option available as HFC is Ark R spec but is quite expensive.
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