from personal experience and from what alot of others have said the K&Ns have let in alot of dust. for most it wont be a problem but it does exist and can be a problem. i started with a K&N and my engine was eating dust like crazy. i switched over to Airaid and i havent seen a single spec of dust in my intake tube. just my .02
Last edited by Rnmovr12; 12-14-2009 at 12:07 PM.
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