Thread: need info and input on doing a swap on a series 3 05 grand prix to a supercharged

Originally Posted by LSFoFaSho

thanks for the insight this is the kinda help i was hoping for i knew there had to be someone on here who had done this already, and whats a comp g? im still a noob lol

The Comp G is the step up to the top end above the GTP of these years. They had a few more bells and whistles, including the trans gearing for example...