Quote:
Originally Posted by mattjk
i'll never use k&n again, let's way too much dirt through. look inside a manifold that has a k&n filter on it after 10k miles. it will be black and coated with mud inside.
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that is more likely from it being over oiled in combination with the oil blow-by from the PCV. You'd be amazed what an PCV oil-catch can can catch, even on a brand new car. Test prove K&N's filtration is superior to other aftermarket filters and almost as good as paper.