I'm interested in this also. If it is hidden as a menu why not reveal it? When I saw that picture of the -12 I didn't understand but here is a nice website discussing boost. Makes great points about grandpa's foolish old saying no replacement for displacement. There sure is. Grandpa's old V8 mustered about 220 horsepower and 0-60 in 10 seconds because it had chump engineering. Toss in that heavy big engine and huge transmission driveshaft and differential you got yourself dump truck bogged down clown car. Way more zippy having the aluminum 2.0 Turbo in a light car zipping around turns. Understanding Turbo Boost