Quote:
Originally Posted by JOES31
As long as the filter is of proper size to flow the CFM of the engine there will be no performance reduction. It is simple mathematics. A = (C.I.D. x RPM) / 25,500. You can go a step further and be sure of no restriction by using a Hiboy that has the K&N.
Just because Henry didn't think it needed a filter doesn't mean it shouldn't have one.
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Yep you can use a high boy filter but it sure ain't purty . I know I don't need any of them.