on a M10, stock filter is a Fram PH3816, 3/4x16 no anti drainback valve. I've got a K&N filter i was going to use, HP-1002 also 3/4x16 but it has an anti drain back valve.
Will this restrict oil too much, or should I just not worry about it and use it anyways?
Will this restrict oil too much, or should I just not worry about it and use it anyways?
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