Pure M157 Upgrade Turbos -Custom Billet Compressor wheel -Custom High Flow Turbine Wheel -CNC Machined -High Speed VSR balanced First Dyno: 840whp!!! @ 25-27psi boost!  This car is stock trans, stock clutch, and a meth kit! Car went 10.6 on 670whp with stock turbos.  Second Dyno: Pump Gas - 797awhp & 910 awtq STG2 Turbos Tune  Downpipes