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      11-02-2012, 11:27 PM   #26
BMWfan07
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Drives: 2011 E92 335i M-Sport w/PPK
Join Date: Apr 2007
Location: Northern CA

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Does anyone know if there are any proven dyno gains from going with the Performance Exhaust? I looked around for info and found none. Usually when you upgrade the exhaust on a car there is some kind of performance gain, just wondering if that is the case here.
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2011 E92 335i LCI 6MT, M-sport pkg, Black Sapphire, Nav, Comfort Access, 19" Style 230s, Harmon Kardon, Bluetooth, M3 Lip Spoiler, GPT 7500k Fogs, BMW PERFORMANCE POWER KIT.
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