You're all wrong. Everybody knows tuning is all about adding forced induction and raising boost until something shatters into a million pieces and then blaming the manufacturer of the turbo / engine. Geez. I'm gonna go start my own tuning company now. Who wants in?
We'll name it BOOM Ferrari Tuning
On a serious note. It would be great if those who did understand this and tuned their own cars could post some more about it so other members can get more familiar with the process. I'm not saying Joe Plumber should go tune his own $50K car. But it's never hurt anyone to have more knowledge