K&N Replacement Air Filter (33-2374) Audi > RS4 > (B7) V8 Axle-back-system L/R: Sport exhaust

Axle-back-system L/R: Sport exhaust

Please make sure you check your original hose number

This is a piston design recirculation valve that is a direct replacement for the original fitment

1 x FMDVRND Valve

K&N Replacement Air Filter (33-2374) Audi > RS4 > (B7) V8 Axle-back-system L/R: Sport exhaustK&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