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Replacement air filter

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Old Jan 20, 2009 | 12:03 PM
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Replacement air filter

I recently purcased a 2007 FX2 with 5.4 engine. Is it ok to put a K&N replacement air filter in it,the filter tray says to use filters with polyester membrane on them?
 
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Old Jan 20, 2009 | 01:04 PM
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All oiled filters run the risk of contaminating the MAF sensor with oil residue and causing inaccurate readings. Ford recommends only using filters with a felt sealing gasket. AEM makes an OEM replacement filter which has the felt seal and no oil. That is the one I went with and have had no problems with it. The name of the filter is AEM Dryflow Performance Panel Filter.
 
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Old Jan 20, 2009 | 02:58 PM
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I have a K&N intake kit on ebay if you are interested.
 
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Old Jan 20, 2009 | 04:09 PM
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I used the K&N with stock intake before I got A VOLANT, and had no problems.
 
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Old Jan 20, 2009 | 09:21 PM
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X2 on the AEM Dryflow
 
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Old Jan 20, 2009 | 10:03 PM
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save your money. a K&N or other filter won't do you much if any good with the OEM intake

a CAI won't do jack either without tuning.


I personally would just slap another OEM style filter in there and call it good. I'm a fan of K&N on carb'd motors, but not EFI...too much dirt gets through
 
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