Are you reading the above link mate? I think its due to the fact that the test shows the amount of dirt PAST THROUGH the filter not collected by the HKS element.
The question is. Is your filter the same made as the one in the above link?
and even if it is....simple change the filter with another popular choice that filter betters
Ok got it. Its a 200mm filter that's all I know so maybe the same. I guess I'd only notice detrimental effects on the engine after a long time.
It's a 3 layer dry filter.
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