there is a developmental turbo called the Begi turbo that is being designed but it probably will never be reality heres a lot of reading if you have time
https://www.crossfireforum.org/forum...on-thread.html other than that a t3 is just the beginning of the modifications you would need to do to turbo boost these cars, you should look into an engine swap or buying a srt6 if your looking for speed either way you look at it, its how deep your pockets are I recently did a v8 conversion and redid my tranny and it cost me $12,000+ I believe there has been 1 or 2 twin turbo attempts at the crossfire but when I saw the one at a show the turbos weren't working and the car sounded like it was underwater...