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

6 line set

It creates a durable

The pipe work of the kit runs around the cold side of the engine and away from the engines turbo manifold

Durable stainless steel construction for long-lasting performance and corrosion resistance

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

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