K&N 01-09 Audi A4/RS4/S4 Drop In Air Filter | 33-2209
K&N® washable, reusable High-Flow Air Filters™ features 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 10-Year/Million Mile Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product!
Part #'s
06C-133-842 / 06C 133 842 / 06C133842
06C-133-843 / 06C 133 843 / 06C133843
079-133-843-A / 079133843 A / 079 133 843 A / 079133843A
⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov