GTM STG 2 SC, when will it be available?

christian370z

So if I were to get a stage 1 kit, is there any more power to be had out of that C38 Rotrex unit in the form of a smaller pulley or is the stock pulley it ships with already maximizing the blower's efficiency?

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-320whp / 259wftlbs-
SP Rays -- RE-11s -- SpecialtyZ Tune -- Swift Springs -- Stillen 25R Oil Cooler -- Stillen G3 Intakes -- Berk HFCs -- F.I. 12" CBE -- Stillen Sway Bars -- Es14 Spring -- INGS+1 lip -- CF Spoiler -- GTR Start Button -- VLED Parking Lights -- PWJDM V2 shift knob