Just joined to let you all know that there is a really easy fix for stupid foam filter dusting your engine. Napa gold 6449 air filter and a 1 1/2 pvc coupler. Put the coupler inside filter and slips inside breather tube in factory air box. 2016 Kodiak 700. Put air box lid on your done. 70 cfm filter. Performance seems fine. I have dusted to many engine with foam. Just thought I would let you all know this simple fix.
It looks like you could put your factory foam filter over the paper filter but 70 cfm paper filter is border line for air flow. I don't think it's necessary. Just run paper alone. Paper will plug
quickly in extreme environments. Might change paper filter every oil change if needed.
I only have a hundred miles with this set up. So I'm experimenting, others may have more input. I just don't want to dust another engine.
I manage a 28000 acre cattle ranch. There is a lot of dust. If I run foam filter I can't clean them enough to keep from dusting engines. It's just something I've learned the hard way. Foam filters are a joke, and I hate seeing people loose engines because of them. If I was racing, and planing on a new top end every race, foam would be the way to go. That's not my style of riding so paper filter is what I use.
Maybe alittle. It seemed alittle lean so I adjusted my throttle position to a more comfortable position which limited my wide open throttle some. I still have way more power than I need.
The lean mixture might just be the way they are from reading other posts. I converted mine to paper filter on the first day I got it.
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