Hmmm....
Turbo=$$$$$
Twinscrew=$$
Turbo is going to be $10,000+ with supporting mods, tune, etc. Do you have that much money?
Either way youll be happy but i would prefere the good ol trusty KB or Whipple.. esspecially the way these new generation 3.8 and 3.4 L kits are working for high boost