That is interesting.
I think that it may hurt more than help with regard to this specific design. My reason being that the cross sectional area between a 5/8" and 3/4" primary tube is a very big step. Going from 1 7/8" to 2" isn't nearly the same. If we have material in steps of 1/16" I think it would be more suited to this specific design. Would you guys agree?
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