Index Of Ls Models .info .jpg Good Idea To Put A Performance Chip In A Chevy Cobalt?

Good idea to put a performance chip in a Chevy Cobalt? - index of ls models .info .jpg

I have a 2008 Cobalt LS (2-door, manual transmission), I'm looking at the aggregation of performance parts. I heard a chip can add a significant increase in power and acceleration, and wonders if this is true? There are chips that I found http://www.autoanything.com/performance-chips/61A3685A0A0.aspx and http://performanceupgrade.homestead.com/index.html. The second does not seem like much, I think it's probably a scam, but I saw another set of chips around $ 50, only 8% of the cost of earning power on my car model. Are there any cheap, easy self-installation of the chips out there?