09-11-2020, 01:49 PM
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#9 (permalink)
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Base Member
Join Date: May 2018
Location: Fl
Posts: 8
Drives: '12 touring sport
Rep Power: 9
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Quote:
Originally Posted by Cyber370
Just make sure to get an exhaust system with Helmholtz chambers (HKS, Ark Grip, etc.) and you should be fine as far as drone is concerned. I just got an Ark DT-S for my Nismo because the Grip would not fit per Ark customer service. I am happy with it but there is drone at about 4500-5000 rpm. Luckily, that means the exhaust is fine at lower rpms and highway cruising speeds. But, I am sort of regretting having purchased the DT-S which does not have Helmholtz chambers (closed canisters on side of mufflers to cancel out drone frequencies).
PS: Just be aware that aftermarket exhausts are usually louder than stock and that inevitably means some drone somewhere in the rev range.
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Thank you for this! The helmholtz seems to be the answer. I had looked into making ones for my FI exhaust, but it was not very feasible. I made an order for an HKS set up with the helmholtz. I'll update this weekend once it's installed.
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