Quote:
Originally Posted by 6spd
agreed, when i get rid of these kn's, they will be AFE.
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I would keep the K&N's or perhaps try the AFE oiled filters.
All the currently available dry flow filters on the market are superior
only when caked with dirt.
Note that AEM shows a graph of this on their website (they call your attention away from that, but it is clear as day if you review the graph carefully) and even AFE points out that their oiled filter is superior for performance to the dry flow.
Unless you have filters utterly filled with gunk (i.e., off road or enduro racing), the oiled ones still win for flow with only marginally poorer dirt filtration.
As to the need for the marginally better filtration, unless you get a UOA that shows high sillicon (after break in is completed) or have a gunked MAF sensor, you can assume that it's working fine and take the better flowing one.