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2011 Ford Flex Air Filters

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Latest Customer Reviews

K&N Air Filters Reviews


Now my car engine can breathe better and with no "obstruction" !

Reviewed By Carlos F (Orlando, FL) Reviewed for a 2011 Ford Flex —9/27/2011 8:21 PM

I bought a new 2011 Ford Flex car and when I accelerate it after buying the K&N Air Filter it's like taking your hand off your mouth and nose, so you can breathe better.....

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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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AirAid SynthaMax Cold Air Intake Replacement Filters Reviews


Excellent dry filter replacement

Reviewed By Todd S (Hudsonville, MI) Reviewed for a 2012 Ford Mustang —4/8/2015 4:17 AM

Thanks for the great replacement filter, works great and preformed well during a recent Route 66 road trip. A great alternative for the AirAid oiled filter...

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Year Range For Ford Flex Air Filters