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      08-25-2012, 04:00 PM   #2
Drives: 2011 ZCP M3 - 2007 335i crashd
Join Date: Apr 2009
Location: NYC

Posts: 6,777
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The turbos actually "muffle" exhaust sounds to an extent..because the exhaust are being redirected to drive a turbine in the turbos..I was shocked at how "muted" my 335 sounded even with a full catless setup
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