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2011 Audi A4 Air Intake Systems

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Latest Customer Reviews

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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Heatshield Products HP Heatshield Mat Reviews


Great Quality, Easy to use

Reviewed By Matt D (Encino, CA) Reviewed for a 2001 Audi A4 —4/3/2014 12:42 PM

The HP mat does a great job repelling radiant heat from my turbocharger and exhaust system from being absorbed by my intake system. Keeps my heat shield running cool and reducing heat soak.

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Injen Replacement Air Intake Filters Reviews


Good replacement

Reviewed By Tae K (Puyallup, WA) Reviewed for a 2008 Nissan Titan —12/24/2014 11:08 AM

This was a replacement for my Injen oiled filter. I heard that oiled filters can cause damage to the engine and mass air flow sensor so I thought I'd give this one a try. This particular filter did not have the reverse conical filter element at the top of the filter like the oiled filter does so it seems like it would flow less (less surface area). Not sure if that would make a difference. Installation was easy. Satisfied with my purchase.

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