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 - pink letters covered with carbon now :)
2005 Ducati 999R - bucket list must-have
And how can this be? For he is the Kwisatz Haderach!