K&N air filters

[04OFF]

Do the K&N filters come with a seperate outer dry pre filter that slips over the main oiled filter ? (like uni filters)





I always thought the idea of the round drum air cleaner box was for the cyclonic effect ?, as the air curculates the dirt is thrown to the outside ?


Using a paper filter you may find dirt/dust in the bottom of the air cleaner box, it was my un-educated impression, an "oiled" filter would "catch" swirling dust particles, rather than letting fall to the bottom like a paper filter will ?


I thought the K&Ns would actually visually clog quicker in dusty conditions because its sticky and won't let go of any dust ?





I run a paper filter and a external foam snorkel pre filter, and had avoided a K&N for the above reasons, but now may be interested in a K&N main filter, after what Mat has said (thanks Mat, more crap to buy now !, lol)