That "quieter" comment is reassuring. Thanks.
I just spoke to Scott at Fullsac. I am going to swap their sport head pipe for mine instead of drilling the cat out. After I send them my core in return it will only cost me about $279 for this. They have a perfectly set map for this head pipe and the 2.0 core so dyno time is now a not needed and money well saved. So, I will have $201 (cores and screen) + $445 TTS + $279 for head pipe and be on my way. Seems like the best deal ($925) for the performance upgrade I can find. Not sure if there will be a map charge though.
i'm running the 2.0 baffles and the sound is perfect. not too loud, especially when cruising. does 'bark' a little when getting on it, but that's not a constant. do not have to turn the radio up too far to hear it over the pipes.
and as an aside, i am running the sportpipe as well. really like it. have not had the bike dynoed so i can't say that the pipe netted me x hp and torque, but the quality of the workmanship was excellent, uses stock heatshields, and the price was right. steve at fullsac says that the sportpipe dynos within a couple of hp of their dx pipe..... since i'm not looking to squeeze every ounce out of the bike, i'm good.