Looking great Bob!!
Here is my '99 900SS (Isabella) with DP (Remus) Titanium Hi-mounts - using the same hangers as on Bob's Sport.
The cans look great and sound seriously intrusive - I make no friends in my neighbourhood!!
As Bob said, they negate the passenger pegs and I cannot see how a workaround would really pay off, practically or aesthetically.
Also: after riding some serious miles on a trip to the Gap earlier this year, I found they interfered somewhat with my right foot position. I eventually got used to it and compensated but there are still melted boot rubber markes on the pipe!!