So this is probably a stupid questions, but I just dont wanna waste time and screw something up. I noticed that when I really wind the motor up, it just falls on its face at high rpm. So I thought, well I guess I will rejet, even though my jetting has always been pretty spot on and I have changed nothing. So I checked this and that. Well I took the pipes off, and heard a terrible rattle like something was broken. Well the core just flops about. And it comes out of line from the pipe tube itself, so I would assume my exhaust is flowing very poorly. Anyway, obviously the silencers need to be repacked, but is there anything else I need to do? Is it just packing that keeps the cores in place or is somthing broken? The pipes are Toomey T5's. Thanks