Thank you everyone for your input and help. I've managed to space the rack out less than 1/2" per side after tucking my Leo Vince mufflers in more diligently. I'm all sorted out and didn't have to modify any of the Jesse racks.
KTM 1190 ADV
KTM 530 EXC-R
2005 Ducati 999R
And how can this be? For he is the Kwisatz Haderach!