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Ford Flex Air Filters - Custom Fit

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Latest Customer Reviews

K&N Air Filters Reviews


These are a simple, cost-effective upgrade for any car

Reviewed By Jason B (LADERA RANCH, CA) Reviewed for a 2013 Ford Flex —1/24/2017 5:55 PM

Paper air filter for my cars run $20 to $32, so the K&N pays for itself (with recharger kit) in 2 to 3 years. When you add in the fact that it gives you slightly better fuel efficiency, there's no reason not to have one. It's the first thing I order for any car that I buy. Installation is a five minute operation. I've never dyno'ed my cars, but I've read that others have noticed increases of up to 2 horsepower with these.

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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


Look nice and easy to install

Reviewed By Peicheng C (Easton, PA) Reviewed for a 2009 Mini Cooper —5/18/2017 8:36 AM

I had a K&N filter but I don't like the color (dark, looks not very clean). I replaced it with a green filter. I can hear the air flow hissing sound while driving. For me it's not a noise. Instead it sounds very smooth. I still have not got the chance to figure out if it improves horse power and/or gas mileage though.

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