K&N Replacement Air Filter (33-2881) ET38 6 line set

6 line set

This front mounting intercooler kit has been designed as an upgrade for the Audi S4 B9 and fits the Audi A4 B9

Superior Heat Management: Perforated and vented design ensures efficient cooling to reduce brake fade

It creates a durable

K&N Replacement Air Filter (33-2881) ET38 6 line setK&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