Measure it and use K&N's website to find a pod of the suitable opening diameter.
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i use a metal mesh one now only because it doesn't retain moisture/water... used to have a foam obx one with a velocity stack
i have a K&N on my CAI...
i tried cleaning it... its like i cant clean it any more... still looks like theres dirt everywhere in it...
k&n >> apexi. used alot less fuel when i swapped over. prob cuz my apexi was pretty dirty.
You must be the first in the world....
3A racing.