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What Do Air Filters Do?

How Performance Air Filters Work

Replacing Your Air Filter

Choosing the Best Air Filter for Your Vehicle

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Product Comparison


K&N Air Filters aFe Pro-Dry S Air Filters Green Air Filters AirAid SynthaMax Air Filters

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Customer Rating

Price/Value

Ease of Installation

Quality

Appearance

4.50 Average Customer Rating

(12k+)

4.5 5.0 5.0 5.0
4.50 Average Customer Rating

(454)

4.5 5.0 5.0 5.0
4.50 Average Customer Rating

(152)

4.0 4.5 4.5 5.0

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Filter Type

Oiled


Oil-Free


Oiled


Oil-Free


Fit

Custom


Custom


Custom


Universal


Warranty

10-year/100,000-mile warranty


Lifetime Warranty


Lifetime Warranty


Lifetime Warranty


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Air Filters Customer Reviews

K&N for Acura CLS

Appearance
Ease of Installation
Price/Value
Quality

Reviewed by Paul C (Sunnyvale, CA Reviewed for a 2001 Acura CL—2007-06-15 10:13:35

Perfect fit and easy to install. Actually fits a little better than the stock OEM filter.Improved MPG by 1-2 as expected and indicated by other CLS owners. Great buy. The price of this filter is only 2x that of the stock OEM one. And it never needs to be replaced!

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Great Product

Appearance
Ease of Installation
Price/Value
Quality

Reviewed by Chris S (Chattanooga, TN Reviewed for a 2001 BMW 5-Series—2012-01-31 20:21:50

This is a great product. i would recomend it to anyone!

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Ask & Answer

Asked by Robert V.

3/13/2012 8:06:12 PM

robert

will the filter void my warranty?

Staff Answer

Answered by Michael K. — 3/14/2012 8:08:36 PM

Hey JoeRobert, thanks to the Magnuson Moss Warranty Act: US Code – Title 15, Chapter 50, Sections 2301-2312, your vehicle’s factory warranty is protected by law when you add aftermarket parts. You can check it out in full by clicking in the box to the right of the product features, entitled "ADD PERFORMANCE AND POWER WITH CONFIDENCE."

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Asked by Anonymous A.

7/5/2012 3:03:07 PM

Do you have the K&N air filter for the Lancer?

I would like to know if you have the K&N Air Filter for Mitsubishi Lancer 2012 1.6L engine. If yes I would like to order for the same, also what’s the difference between the K&N Air Filter and K&N Air intake system?

Staff Answer

Answered by Elizabeth C. — 7/5/2012 3:23:53 PM

At this time K&N does not yet have a filter for the 1.6L engine. The difference between the air filter and air intake is the air filter is just a replacement air filter for your stock intake. An air intake is a complete replacement of the stock intake with a high flow performance intake, which gives you even more performance and gas mileage.

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