2007+ Expedition & Navigator2007, 2008, 2009 and 2010 Ford Expedition and Lincoln Navigator
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I used to be a huge beliver in K and N. While I think the filter itself is build well and they have their place in cold air intakes, etc. I think that you have to have the perfect oil content in the filter to get a good balance between airflow and filtration. Too much oil, restricted airflow, dirty MAF sensor, etc. Not enough oil, great airflow, not great filtration.
I am sticking with paper for now. Prices are high, but they should come down.
Oh, and on the two trucks I had KandN filters on, i noticed no increase in anything.
1978 F250 Lariat 4x2
2008 Expedition Eddie Bauer 4x2
I wonder? In my last truck 2004 yukon i put a drop in K&N and also had flowmaster dual exhaust and it made a huge difference in kiddy up and MPG.....I was just looking at the gibson dual exhaust and CAI from K&N.
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