I'd think with TT you'd want the OSG. They change it to a 2 way and adjust the split torque. Pop them an email, they're very responsive and will help you get the best setup.
__________________
|RIP|6spd-sport|OSG-LSD|XP8|RBF600|Eibach Sways|RE-71R|FI-34Row|Gen3-CAI|Yaw P.S.|
|