K&N Replacement Air Filter (33-2133) Audi > A3 > 1.8T it will fit other manufacturers

it will fit other manufacturers intakes that have an inlet pipe of 102mm (4”)

Our core offers a 123% increase in frontal area over stock (BMW Part no 17517617597)

P3 Multi-Gauge V2 (For 2008-2013 TDI models only)

causing a temporary starvation through the oil-ways

K&N Replacement Air Filter (33-2133) Audi > A3 > 1.8T it will fit other manufacturersK&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