Thread: AIR FILTER
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  #8  
Old 03-07-2009, 05:00 PM
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FSETH FSETH is offline
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Quote:
Originally Posted by Xenderx
...so better stay with OE BMW than this a?..
I would. I don't think you would get any substantial or noticeable power gains from using a K&N in the stock box. If you want more power go with a CAI.
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