Custom intake advantage

Papa _ /
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I’m trying to search for some history on the forum but not finding what I’m looking for. I have the intake pictured below. I’m wanting to make a custom one to make a nice smooth curve and match the port on my Airsal cylinder better.

Right now, square to round leaves too much of a lip. Can’t go further and be sure of a seal. Seems like the whole thing is just unsatisfactory.

Before I go through all the trouble, figured I’d ask if there’s really that much to be gained? Not just performance but tuning and efficiency as well.

There’s some older thread about 3D printing manifolds and then making “lost wax” plaster molds to cast in aluminum.

531BA0DF-3E9F-4A32-AB5C-88542609566B.jpeg
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