A full weld bead isn't going to add any more practical strength other than aesthetics. Admittedly, the gap is ugly looking and that would annoy me too. Perhaps the builder was concerned about heat stress/distortion? Then again, they could drill a small hole underside to exhaust welding gas. If you are getting it powder coated. take the effort to grind and smooth the welds beforehand so the bars look real nice afterwards. You'll appreciate the effort longrun.
2009 Vegas Jackpot
280mm Metzler rear 21" Metzler front
Lloydz VFC & high-flo air filter
Numerous Arlen Ness custom add-ons
chrome swing arms & other chromed add-ons