K&N Replacement Air Filter (33-2374) Audi > RS4 > (B7) V8 (OEM Part Number: 1K0407152BG)

(OEM Part Number: 1K0407152BG)

A High Flow vacuum operated twin piston valve for the Audi S3 (8P model)

Fitting this plate allows for elimination of the secondary air injection system on the VAG petrol 1

Axle-back-system L/R: Sport exhaust

Please make sure you check your original hose number

K&N Replacement Air Filter (33-2374) Audi > RS4 > (B7) V8 (OEM Part Number: 1K0407152BG)K&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