Washable K & N Air Filter

[nelany]

Hi guys, I would like to ask how many months/kilometers bago need iclean yun k&n drop-in air filters? As per k&n up to 50,000 miles before need iclean under normal driving conditions. Pag dito kaya sa metro manila? Thanks in advance! [emoji16]

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Sa akin at 5k km makapal na yung dust sa filter. Purely city driving sa manila. I use yung recharger niya pera walang sira sa filter. Been using this filter for the past 15 years and still no problem.