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sorry for the lack of knowledge on this one but how exactly does the air flow thru these 2 filters? Paper filter first from the bottom up and then thru the blue post filter top down and then into the intake? The post filter looks really restrictive to me and if you had a good main filter, you shouldn't need a post filter should you?
 

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thats what I was wondering…..so this filter obviously is for small dust particulates and not sand etc….so, I see no reason to run this in the dunes do you?
 

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If the stock paper filter is that poor at stopping small particulates, to where you need a post filter, then I want a better primary filter! Who make a good drop in filter for the Maverick???
 

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I was considering cutting the post filter in half so it was not so thick and maybe that would help reduce the restriction but still provide filtration.
 

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thanks Benzo - Did you see any increase in RPM with this setup?
 

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My dealer installed my post filter when they assembled it. So I didn't get to see what it looked like before they installed it. But I did check it and it was extremely over-oiled. To the point that it pooled up about 1/2 inch in the bottom of the airbox and actually sucked into the intake Venturi. I cleaned it all up and put it back in with the proper amount of oil on it and then rode it. Didn't seem to notice much of a difference but at least I know I am not going to be sucking in filter oil into my intake!
 

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After seeing this I checked mine. Jeebus Christ that thing was over oiled. I also had about a 1/2" of oil in the second air box. The post filter was literally dripping. I cleaned the oil out of the box and squeezed the filter out in paper towels.
I didn't have any in the intake tube but I haven't really driven it yet, except a couple times down the street real quick.
My YZ450F has the same type of filter with the oil, and from what I know u should never have that much oil on it.
I don't know how air could flow through it being that saturated.
Yep…the schmucks at the dealer just pull it out of the plastic and stick it in without wringing out any of the oil……way over kill. Did your Mav run better after you cleaned it up?
 
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