33-2209 K&N Replacement Air Filter, 2000 - 2013 Audi A4/ Audi S4/ Audi Quattro / Seat Exeo AFR *Please check your state laws

*Please check your state laws in regards to using "vented to atmosphere" catch cans

The team will collaborate with you to construct a customised tuning resolution that is tailored to the needs and specs of your vehicle providing the perfect balance of power

This results in increased usable power and acceleration across the RPM range

Quiet operation and pulse width modulation compatibility are delivered via the turbine impeller and computer-balanced armature

4 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants

33-2209 K&N Replacement Air Filter, 2000 - 2013 Audi A4/ Audi S4/ Audi Quattro / Seat Exeo AFR *Please check your state lawsK&N washable, reusable High Flow Air Filters feature a state of the art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's No Hassle Lifetime Limited Warranty. K&N drop in replacement filters are designed to install easily into your