K&N K&n Engine Air Filter: High Performance, Premium, Washable, Replacement Filter: 2007-2017 Audi L4 1.8/2l (a5 Quattro, Q5, A4, A5), 33-2945

ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle

ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance

EASY INSTALLATION: K&N Air Filters are pre-treated and ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains

SAVES MONEY: K&N high-flow replacement air filters will save you 250 dollars over 10 years by avoiding disposable filters

ECO-FRIENDLY: Using a washable, reusable engine air filter helps reduce replacement air filter waste- a K&N air filter is designed to last longer than 10 or more disposable filters

WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants

LOW-MAINTENANCE DESIGN: 50,000 miles before your first cleaning under normal highway driving conditions

HIGH QUALITY: Made in America