I did not have the AiRaid long enough to clean, only a couple of months. But I had a K&N for quite some time on another vehicle.
Just follow the instructions. It is very easy.
BUT, make sure it is very dry. Then oil it lightly. Too many people over oil the filters and end up with oil fouling their MAF. That would not be covered under warranty.
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"My reading of history convinces me that most bad government results from too much government."---Thomas Jefferson
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