Originally Posted by Guard Dad

... ....I'm NA myself but if I was after a big power bump I'd go with the Stillen supercharger kit, it's an excellent choice if you actually want to drive the car as opposed to constantly working on it. The Stillen kit doesn't have the power of the turbo kits but it has good torque and decent top end. Their stuff always seems to be very well thought out with good attention to detail. It is the only one that I'm aware of that is CARB approved (a very difficult thing to do and it says a LOT about the quality of the system) and it looks very OEM when you pop the hood.