First time I have seen this websight
http://www.gmperformancedivision.com
There is some pretty cool stuff here.
Dennis

 

yeah im pretty sure this is a repost, but still good.

 

Ecotec 2.2L Cavalier/Sunfire Supercharger Kit
For '03–'05 2.2L Ecotec powered Chevrolet Cavaliers and Pontiac Sunfires. This kit upgrades power to 200 hp (up from stock 145 hp). Kit includes a supercharger, all necessary hardware, brackets, gaskets, and specific E.O. performance engine calibration. Premium fuel required. Supercharger P/N 12584331 available separately.

Part Number 17800003



i didnt think it came with a tune