Hello, Mine brother spent his money on a GTS. It's a 96 or 97 model. The exhaustpipes are bigger than on mine GTS (93 or 94 model). 35,5 millimetre against 29 millimetre diameter (outside). The silencers are both stock models. I've not seen what happend with the collector and catalyzer at his bike. Do I have some little Yamaha scooter pipes, or does he have some FZR pipes? Do you know what size is original? John Dreuning http://home.planet.nl/~dreuning GTS/Mega Comete sidecar
