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The stock airbox assembly is a piece of ****e.
They go ahead and put in a huge filter, which should make for good flow, and then subdivide the airbox interior with baffles and end up masking and blocking that same flow except for a very small area that you found to be dirty. The remainder of your filter is clean because it's relatively difficult for any significant amount of air to flow in that region of the filter or airbox.
Even removing the internal baffle leaves most of the filter masked. You have two choices to get real flow: remove the airbox and use one of the twin pod filter systems, or remove the internal baffle AND the cast in slots that hold the baffle in place along with all of the baffles that surround the bottom half of the filter.
As far as your filter is concerned, you could probably spin it 180 degrees and get another 10,000 miles out of it.
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