WannFly
Well-Known Member
This is concerning. I will do an oil analysis, but I do not have a baseline / "before" K&Nafter running Used Oil analysis before and after using K&Ns, i'll never use one on any engine i care about again. the amount of Silica (read: sand) found in my oil when running a properly maintained K&N was atrocious.
K&Ns apparently may improve airflow, but do a very poor job of filtration.
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