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Ford Flex Air Filters

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Latest Customer Reviews

K&N Air Filters Reviews


Should Have Done It Sooner

Reviewed By Grady L (MAYVILLE, WI) Reviewed for a 2012 Ford Flex —6/9/2017 8:39 PM

Noticed instant improvement in performance and acceleration. Like going from blocked sinuses to breathing freely. Wish I had done this sooner - from now on, all my vehicles will be using K&N air filters!

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AEM DryFlow Air Filters Reviews


More pick-up....less MPGs

Reviewed By Charles D (Bowie, MD) Reviewed for a 2014 Ford Flex —5/26/2014 8:37 PM

I put this in a brand new 2014 ford flex after I drove it about 2,000 miles to get a baseline mpg. As soon as I installed the AEM filter I noticed a slightly different throttle note. Not much. My MPGs dropped from 16.8 to 13.4 - same exact driving route. Acceleration is slightly quicker, in my head? Maybe. Without a dyno who knows. I took a long trip got 18 mpg, well under the flexs rated 24 mpg. Only have 3400 will keep it in and see what happens. Any suggestions?

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Green Air Filters Reviews


My 2001 Ford F-150 4x4

Reviewed By OMAR H (OAKLAND, CA) Reviewed for a 2001 Ford F-150 —8/15/2018 8:14 AM

I have been using a K&N filter for years. I install the Green filter and is different than night and day. Better performance after about 100 miles of driving. Also beter fuel economy I'm estimating about 4 miles per gallon. Thats is 104 miles extra per tank of gas. I have a 2014 Ford focus with duel exhaust and the Green filter and getting between 50 to 53 miles per gallon on the highway. I love the Green filter and the savings at the pump.

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Year Range For Ford Flex Air Filters