K&N Replacement Air Filter (33-2343) Audi A1 we had one-off sand-cast end

we had one-off sand-cast end tanks manufactured allowing us to test the design before manufacture was started on the Forge Motorsport performance intercooler

A simple solution for fitting a boost gauge or vacuum operated valve without having to cut into any original equipment

easy to install using only a few basic tools

or a recirculating valve - you choose

K&N Replacement Air Filter (33-2343) Audi A1 we had one-off sand-cast endK&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