My Predator was delivered today. In reading the small book that comes with it there was a topic under the "Installing the Performance Tune" called "Customizing the Factory Tune" and instructing me to read the chapter. My question is, where is this chapter? I could not find it in my book or on the ...

Just took delivery on a 2012 GMC Sierra. Already hate the AFM, knew I would so I did some research that led me to order a Diablo Predator. Anyhow I was wondering how long it takes to install the tune in your vehicle? I want to make sure I allot the time before I begin the process. Also would like to ...