K&N Replacement Air Filter (33-2374) Audi > RS4 > (B7) V8 The OEM replacement is only

The OEM replacement is only available with the hard pipes included

(OEM Part Number: 1K0407152BG)

1 x FMDVRND Valve

we achieved gains of 5 bhp and 6lbft torque throughout the rev range which is extremely pleasing results not to mention the improved sound track our intake gives this punchy little 1

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

K&N Replacement Air Filter (33-2374) Audi > RS4 > (B7) V8 The OEM replacement is onlyK&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