4 "/ 101.6mm. K&N Clamp-on 450 hp. - RU-2590

KN air filter with great effect

If you need to make lots of power on your race car, it also requires a large air filter that can float lots of air without the great resistance. Below you will find the KN filter with large connection which is often used for cars with a large turbo mounted. To keep the effect up for the entire filter life, you can buy a cleaning kit for kn filter , it removes dirt and dirt and included oil which the filter should have again after washing.