I am trying to find foam air filters for my older Rotax Max karts but haven’t had any luck yet. I saw some for the newer curved top airboxes but not sure if they would work on my airbox. Any ideas?
Looks to be the same rectangular shape as the new filters.
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Worst case, search amazon for UNI Filter Sheet and cut to size.
https://www.amazon.com/s?k=uni+filter+sheet&crid=1RV0U8PZFZM04&sprefix=uni+filter+sheet%2Caps%2C90&ref=nb_sb_noss_1
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I just managed to find the dimensions of the new style air filter and it is a few millimeters bigger than the older one so I can trim down to exact dimensions 
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No need to cut it down it should just squish in there with a nice fit. Don’t want any gaps on the side.
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