K&N Cold Air Intake Kit: 2009-2013 Audi (A4, A4 Cabriolet, A4 Quattro) 2.0L L4, 69-9505T 2011 Audi A4

The K&N Cold Air Intake Kit 69-9505T is a high-performance upgrade designed for 2009–2013 Audi A4, A4 Cabriolet, and A4 Quattro 2.0L L4 models, including the 2011 Audi A4. Engineered to deliver a guaranteed increase in horsepower and acceleration, this system is dyno-tested to provide up to 50% more airflow than the restrictive factory air intake. It improves throttle response, enhances towing performance, and delivers a deeper, more aggressive engine sound. The included oiled synthetic High-Flow Air Filter™ offers world-class protection from harmful contaminants and requires no cleaning for up to 100,000 miles under normal driving conditions. With a bolt-on design, installation is fast and easy—taking less than an hour using basic hand tools and requiring no ECU tuning. Backed by K&N’s 10-Year/Million Mile Limited Warranty, this intake system offers reliable, long-lasting performance for your Audi.