Great find Jim!
So the question remains... why are there multiple claims on the net of bad engine knock that disappeared when a Hyundai/KIA OEM filter was reinstalled? Perhaps they just had a bad/defective filter in the first place?
So the question remains... why are there multiple claims on the net of bad engine knock that disappeared when a Hyundai/KIA OEM filter was reinstalled? Perhaps they just had a bad/defective filter in the first place?