I used to have twin race cans (custom made by MHP) but couldn't stand the noise, so went back to the stock can but without the cat. And I bought a very expensive Wunderlich chip and, 18 months later, still haven't fitted it. Been meaning to go to a dyno shop, test the chip and play around with some airbox mods, but never got round to it. Not even sure where my cat is - probably threw it out, so missed my chance to do a back to back test. All in all a totally shambolic project. If anybody here is serious about tuning their GS it might give me just the kick up the arse I need....well????
If a thing is worth doing, it\'s worth doing to extremes.