eSG50 Electronic StraightGateThe StraightGate50 from Turbosmart is the Award Winning, Worlds first butterfly style, Electronic external wastegate! The StraightGate50 is a zero offset butterfly style wastegate which allows enormous flow and almost linear control with unparalleled boost control throughout the entire operating range. Turbosmarts eSG50 Electronic StraightGate is a Patent Pending, Multiple Award Winning World First Electronically Actuated Butterfly Style External