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      05-05-2013, 10:37 AM   #6
ZhengHai
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Drives: E90
Join Date: Sep 2010
Location: AV, California

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Quote:
Originally Posted by Rik-330 View Post
I also have a Pipercross filter replacement and bit of an experimental ram air tube (and air scoops). No idea if any of it makes much difference ... was more just for something to tinker with

Did you feel any difference? I drove around 12,xxx miles with the K&N and it was pretty dirty. So I replaced my K&N filter with the paper filter until i clean it. Or maybe get the pipercross filter. But i did notice a difference in swapping the filters. Its not as sluggish as it was before.
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