no discoloring yet. and yes they will pop if you drive the hell out of it if you drive it normal and shift it while in the lower revs, then it won't. but i also have the baffles out i'm thinking about getting the PAIR block off plates, that's supposed to cure it
I have actually, but there aren't any chapters in my area - closest is in Toronto about 75 miles away. Not sure where there are others. There are a few brethren in my district that ride however - we may have to start our own chapter.