ViLerocker

I've had my 07 SS/SC for about a year and a half, and I've left it stock until this point. Needless to say, I've gotten used to it, and it needs more power. I'm looking to go with the full stage 4 kit from ZZP, but I'm thowing a 2.9 pulley in the mix instead of the 2.8 for now until I get the meth injection setup and catback exaust. Anybody have experience with the this kit Good/Bad?

http://www.zzperformance.com/cobalt_...=756&catid=143 It's telling me it'll be around 260 hp, but unfortunately, there's no torque numbers, and coming from the 60's muscle car realm, I like my torque
Opinions, dyno/track numbers/MPG/Problems with the kit are all in play and stay on subject. I'm not looking to hear people going off on tangents. Give an opinion and WHY! Thanks