^ this.

Timeslips tell all.

Centrifugal superchargers ARE cheaper overall to install than twin-screw superchargers and turbochargers. That is why they are so prevalent in the aftermarket. They do make great upper-RPM HP, but the down side is that they make dramatically less low-end power than a positive displacement supercharger, and can't make the great mid-range power of a turbocharger.

For me, the impressive low-end torque from this twin-screw supercharged V6 is one of the great attributes of the car. That torque, combined with the light weight and good traction from a dig, allows me to get the jump on cars with much bigger V8s, and outrun cars with much higher peak HP. Peak HP is only a number, the HP across the usable RPM band, or "area under the curve" as they say is what wins races.

Centrifugal superchargers, as well as roots and twin-screw superchargers and turbochargers all come on varying sizes, which can be selected based upon the application;