Kawi should have part numbers to purchase all the decals separately. Check your local Kawi dealer, or a Kawi Parts catalog. I know for my 2009 SE there are individual part numbers for decals, I would assume the same for any other model.
2009 Vulcan 900 SE
Cobra Fi2000 PowerPro Tuner
Hard Krome Exhaust
Cobra PowerFlo Air Intake
Kawasaki Flame Stitch Gel Seat, Backrest, Luggage Rack, Saddlebags