there has been some debate on the usefulness of aftermarket air filters.

friend has a John Deere tractor with Rotary Ejector Air Precleaners and when the dust builds up in the other tractor's air cleaners, the JD is virtually dust free.

https://jdparts.deere.com/partsmkt/d...recleaners.htm

any CAI manuf out there, if you were to make something like this it may definately be a reason to buy aftermarket.
i know i would seriously consider buying one.

 

actually it is a JD6415 which has a little diff way of creating the centerfugal effect:

air coming into the air cleaner is spun and the heavier (dirt) particles migrate to the edge where they are sucked down a ~1" pipe which is under slight vacumn due to it terminus pre-fan w/in the radiator shroud.

very cool design; simple, no moving parts




link here