I think that was a pretty fair deal, I had one of that year it was very fast, I too had the Turbine Core along with a fatty but the Fatty pipes kept cracking along the weld, FMF did warranty them but finally I smashed the last one then bought a Pro-circuit which I don't think had as good of power as the fatty setup, proper jetting was also key, there was a trick that I did with blocking off the power valve vent hose supposedly to help lowend power, I don't really know how much it helped. As you know it is a real top end screamer and kind of hard to get much lowend out of it but the fatty was good.