I have a superchips 2815 flashpaq programmer for sale. I used it on my trailblazer SS and it made a huge difference. I paid 460.00 for it from chux about a year ago. willing to sacrifice for 275.00. it not only programs your truck but it also will take track times which is very cool, and also pull error codes and monitor all sorts of things your engine is doing such as temps, maf flow, o2 sensors ect. please call 816-461-7536 if your interested. We'll install it when here when you purchase it so you know It will read and program your vehicle. Location: sugar creek it's NOT ok to contact this poster with services or other commercial interests kansas