Originally Posted by mistermojorizin
"For maintenance we suggest cleaning with a K&N brand filter kit every 10-20k miles
depending on your driving conditions and climate. In addition you may use a vacuum
cleaner to lift any loose dirt or debris off the installed filter in between cleanings."
Just make sure when cleaning, not to use compressed air to blow out the excess water and filter cleaner before re oiling.It will ruin the pleats.Even K&N suggests not to do it.