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      06-07-2009, 03:42 PM   #83
Wyatt
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Drives: '11 Mk2 911 GT3
Join Date: Oct 2008
Location: Boise, Idaho USA

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2008 E92 M3  [0.00]
Sound is improved (throatier/less subdued). Performance negligible and/or worse than stock.

Curious as to whether anyone has dyno information from baseline with these or other aftermarket filters.
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