Dave,
Those look good. Really good.
I wonder if he could knife edge the intake side of the butterfly, if it would even make a difference.

Either way....this looks like a good mod for a good price.

SOLD: 07 Black BA, 39mm FCRs, TPUSA stage 1 head, TPUSA 813 cams, TPUSA 10.8:1 pistons, TTP #3 igniter, Specialty Spares Long Cannons, Tsukayu Hard Bags. 82HP/55tq NEW: 19 Goldwing Tour DCT