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2011 Ford Focus
Air Filters

2011 Ford Focus Air Filters

Not sure which 2011 Ford Focus Air Filters are right for you? We have over 14810 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:

"I've used K&Ns on my motorcycles for years; when I saw the prices for throw away filters I thought, why not go to K&N for my car & truck? It costs only about 2.5 times as much as the disposable filters; the K&N will require service far less than the others, and the vehicle breaths better. Especially if you keep your vehicles long like me, it's an easy choice." —Dave G from Lake Jackson, TX bought a K&N Air Filters for a 2011 Ford Focus, 2.0L 4-cyl. engine.

In addition to Ford Focus Air Filters, you may also enjoy one of these popular products: Stellar At Ease Back-Up Sensor Systems, VDP Center Speaker System, Superwinch LP8500 Winch.
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AEM DryFlow Air Filters

Excellent performer.

Have always used oil type performance filters in the past and wanted a filter without the hassle and mess of having to oil. The AEM Dryflow filter fits that bill very nicely. Its a better performer than the stock paper filter and the engine sounds better. View more reviews...
Posted By Steven C (Sussex, NJ) / March 5, 2018
2017 Ford Focus
Yes
No
BBK Cold Air Intake Replacement Filter

Very Satisfied.

Mildly throaty engine sound, a bit of extra pep, looks cool under the hood. View more reviews...
Posted By Jim D (Richmond, VA) / April 2, 2017
2014 Ford Mustang
Yes
No
K&N Cold Air Intake Replacement Filters

filter

very fast service thanku for taking care of us vets great filter also Major View more reviews...
Posted By STEVEN S (Greenacres, FL) / September 16, 2022
2002 GMC Sierra
Yes
No

From our experts

Monday, December 10, 2018

What Do Air Filters Do?

How Air Filters Work The internal combustion engine in your vehicle is really just a big, complex air pump. Air gets sucked in, mixed with fuel, burned and sent back out in the form of exhaust. But since air around motorways tends to be dusty, dirty, debris-laden, there needs to be a filtration device to […] The post What Do Air Filters Do? appeared first on AutoAnything Resource Center.
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