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Originally Posted by 370Zsteve In for an answer from the OP. Here's my 2 cents: Essentially the second set of pipes are Helmholtz resonators, this is purely acoustic in nature
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Join Date: Jan 2009
Location: Snoqualmie WA
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Drives: 03 996TT Porsche
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Here's my 2 cents:
Essentially the second set of pipes are Helmholtz resonators, this is purely acoustic in nature and not necessarily performance related. The performance related aspects of this system can be attributed to the less restrictive flow path compared to the OEM system (including the x-pipe). The design "engineers" need to speak up to a level of explanation that does not give away their tricks. I like this system, I think I'll purchase it but will not move until we see comparative dynos.
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