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Audi S4 Air Filters

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Latest Customer Reviews

aFe Pro-Dry S Air Filters Reviews


Good Product

Reviewed By Anthony D (SAN LEANDRO, CA) Reviewed for a 2013 Audi S4 —6/3/2014 8:52 AM

Just installed this air filter and it looks great. Slight increase in power. Still waiting to crunch the numbers on fuel economy. I definitely prefer this filter to one you have to re-oil. Overall I'm happy with my purchase.

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K&N Air Filters Reviews


THE filter

Reviewed By Rodrigo F (North Bay Village, FL) Reviewed for a 2007 Audi S4 —2/4/2008 8:38 PM

The most advanced and reliable filter in the market, very well made, I always use KN

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K&N DryCharger Air Filter Wrap Reviews


Nice Look!

Reviewed By Russell T (Bolingbrook, IL) Reviewed for a 2005 BMW 3-Series —4/17/2018 4:58 PM

While I love the way the Wrap enhances the look of the overall appearance of the engine compartment of my E46 M3, it takes away some of the"BARK" that engine previously had without the Wrap, which may reduce the horsepower gain of the original K&N cold intake system. Time will tell. It also feels like it will be sustible to premature tearing based on the stiffness of the coating on the wrap. Not sure just yet.

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Year Range For Audi S4 Air Filters