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2011 Audi A4 Air Filters

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Latest Customer Reviews

K&N Air Filters Reviews


Top of the line quality air filter

Reviewed By Son L (poway, CA) Reviewed for a 2011 Audi A4 —12/17/2014 8:28 AM

I always use K&N in my cars. For performance cars I went straight for full kit. For family or others I use replacement drop-in filter with little modified for more incoming air.

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aFe Air Filters Reviews


Wonderful product.Both Looks and performance

Reviewed By Alfred K (Atco, NJ) Reviewed for a 2005 Audi A4 —7/20/2013 6:36 AM

The product was made for the cat. It look,feel and performed as described Highly recommend.

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Volant HV Cold Air Intake Replacement Filters with Donaldson PowerCore® Filtration Technology Reviews


I really like these filters !

Reviewed By Brian D (Taylorville, IL) Reviewed for a 2015 Ford F-250 —4/21/2015 6:00 AM

Use one on my F350 diesel (factory) and bought aftermarket CAI for use on my F250 gas motor. Replaced filter with one of these and noticed .3 mpg improvement and easier engine "breathing". Believe it will easily pay for itself.

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