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      06-18-2009, 09:31 PM   #19
808MGuy
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Drives: 2009 E90 M3
Join Date: Jun 2008
Location: Oahu, Hawaii

Posts: 2,282
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Quote:
Originally Posted by dcstep View Post
This is some of the cheapest easiest hp you'll ever find, besides 100-octane gasoline.
Actually, the filter is cheaper than a tank of 100 oct in my area

After a few days with the filter in, I noticed that induction noise is noticeable louder especially when you get on the throttle. Also, the car seems much more eager to rev to redline. Not sure why but the response to mashing the pedal just seems a little different since the filter went in.
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09 E90 M3 - Interlagos Blue / Black Novillo / Sycamore Anthracite / Eibach / HRE

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