That Yoshi exhaust is even easier to remove. You don't need to remove the band clamp. Just remove the one hanger bolt and the springs and the muffler will slide right off. Actually, my Yoshi took a bunch of wiggling and grunting to get off, but it will slide off of the pipe.
Feel free to ask me anything. I suggest changing your account settings so you can receive private messages.
BTW, your bike looks great.