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ulrichd · 01-11-2011, 09:26 AM

I listened to sound files for the Injen and AFe intakes before getting the exhaust. Both intakes seemed to drone at certain rpm levels. There are some good reviews in the 128 section.

01-11-2011, 09:26 AM	#13
ulrichd Colonel 210 Rep 2,233 Posts Drives: 128i M-Sport Join Date: Jun 2007 Location: Houston, TX iTrader: (6)	I listened to sound files for the Injen and AFe intakes before getting the exhaust. Both intakes seemed to drone at certain rpm levels. There are some good reviews in the 128 section.
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