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.
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