Well done! I was in a similar situation. My bike had the Mustang seats and I wanted to add a tour pack. Nothing would bolt on so I ended up with a Tsukayu tour trunk and a Kewlmetal luggage rack. The Mustang seat is great, but it limits your options with luggage racks and passenger backrests.
"Fishing relaxes me. It's like yoga, except I still get to kill something."
Location: Upstate SC
Bike: 2011 Victory KingPin 8ball
OEM bags, Mustang rider & passenger seats with backrests, Lindy highway bars, removed baffles, Memphis Shades Batwing fairing. Soon to be mounted, a Tsukayu tour trunk.