All your other questions have been answered so I will address the dents in the exhaust. I can't tell from your pictures exactly where those dents are, but assuming they are on a low hanging area that was hit buy rocks or such, it's fine. The header on my 2007 is pinched almost half shut from a rock, it still flows an acceptable volume and there is no problem. Your dents look small compared to mine. I would make no effort to repair them.
Also, Glee is a stupid name and I hate it. It's a 2012 V-Strom 650.