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2004 Audi A4 Air Filters - Custom Fit

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Reviewed By Rhonda C (Kingsport, TN) Reviewed for a 2004 Audi A4 —10/23/2009 6:47 AM

K&N filters always help a turbo car breath better.

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Reviewed By Jesse M (CLIFTON PARK, NY) Reviewed for a 2015 Audi A4 —9/14/2017 8:26 PM

Filter looks great and performs flawlessly like expected. Slightly increased the intake sound for the better.

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No brainier upgrade

Reviewed By Andrew K (Tonawanda, NY) Reviewed for a 2013 Audi A4 —7/4/2016 6:44 AM

Getting a lifetime oil less filter is a no brainier upgrade. Increased flow to the engine means a small increase in power and fuel economy. Which eventually pays for the filter in savings. Then instead of getting a new filter in 30k miles just wash the oil less one and you're good to go. Plus in most vehicles anyone can install the filter. It's incredibly simple and quick

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