The turbo will still cost you HP to gain HP, just not as much as a super charger. From what I've seen in SC Focii it really isn't worth the 3k investment. Of the ones I'm aware of you get a measly 30-50 ft-lbs of torque improvement. With a turbo kit you could get 60-70 easily and upwards of 200 improvement with a stage 3. Torque is what makes the car extra fun to drive, so get lots of it as soon as possible.
Confusous Say:
People want torque but buy Horse Power.