K&N Engine Air Filter: High Performance, Premium, Washable, Panel Filter: 2010-2015 (A4, A5, RS4, RS5), 33-3031

ENGINEERED POWER: State-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration. Clogged or dirty air filters can reduce your vehicle’s acceleration by up to 10%.

EASY INSTALLATION: Pre-oiled and ready to drop into your factory air box. One of the easiest and most cost-effective upgrades for your vehicle for quick performance gains.

NOTE: Item is sold as seen. Please refer to all additional photos (aside from the main/first photo) to view the actual condition before purchasing.