To answer a few people's questions from earlier....
The ZX3 Borla fits great, the only difference was having to slot the flange so the flex would bolt up to it. The length was perfect. My car's got 94k on it, and I think I only snapped off one bolt (and it was on one of the stock cat mounts, so I don't even need it), everything else came off with some penetrating oil.
It's been on for about a week, and the stock PS line is doing good fine....no problems yet, but I did bend it out of the way a little. And all I did to extend the o2 harness was cut into the wires and solder in some longer ones. Only issue is a small leak that I can't seem to locate....it's driving me nuts.
As far as gains, there is a noticeable difference. It really woke my car up. The header/orp/catback combined with the proted TB gives it incredible throttle response.