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      09-22-2019, 12:40 PM   #97
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Drives: '12 E92 M3 ZCP 6MT
Join Date: May 2007
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Quote:
Originally Posted by ZPrime View Post
Or are these cylinders used more as Helmholtz resonators, helping to cancel out unwanted frequencies without actually requiring any major gas flow through them?
This. The M Perf muffler seems to use the same tech since there's nothing forcing air through the canister.
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