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      07-03-2012, 04:46 PM   #4
edwinm3
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Drives: SO/SO DCT M4
Join Date: Nov 2011
Location: Doral

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The E9X M3 already comes with a high perf intake system from factory. Just get a drop in filter and call it a day. The stock one is as good as it's gonna get and it's been proven. Some aftermarket intake systems loose hp instead of gaining.
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