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2011 Audi A4 Gas Saving Products

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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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K&N 69 Series Typhoon Intake Systems Reviews


No Complaints. It's just as described.

Reviewed By mark w (Staley, NC) Reviewed for a 2011 Audi A4 —11/25/2014 9:55 AM

It was pretty easy to install. I just took my time and did it in the driveway. There was enough assembly to let me feel like I was doing more than plugging something in, but not so much that I had to buy special tools or consult youtube videos. I can hear a difference when I accelerate. The sound is somewhat of a hiss and not a deep growl like we hear when we install one of these on a V8 for instance. I like it though. I notice additional speed and power, but it's not real theatrical. I just look at the speedo and am surprised that it reads 80 already...that kind of thing.

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aFe Pro-Dry S Air Filters Reviews


aFe Pro-Dray Air Filter

Reviewed By Jerry L (Clayton, CA) Reviewed for a 2011 Audi A4 —4/21/2014 8:38 PM

Good fit, seems to work well.

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Helpful 2011 Audi A4 Gas Saving Products Articles