NO lift shifting, and 2 step launch control now available for the 2005-2010 Cobalt SS Supercharged and Cobalt SS Turbocharged.
The No-Lift Shift feature makes no-lift shifting easy by cutting your engine’s ignition for a very short period while you no-lift shift. No-lift shifting is keeping the gas down through the shifft. The ignition cut allows the synchros in your transmission to mesh easily, reducing the chance of missing a gear and damaging your transmission. Keeping your foot down through the shift also allows you to hold boost through the shift, thereby significantly improving your E.T.
The major benefits are:
http://www.youtube.com/watch?v=KQlToFtbuiA&feature=mfu_in_order&list=UL
Link for more info, photos, and videos
http://www.modernperformance.com/n2mb-stepno-lift-shift-0510-cobalt-p-2192.html