eBG50 Electronic BoostGate BlackTurbosmart BoostGate50 is an electronically controlled butterfly style valve designed for charge pipe boost control. The BoostGate50 is manufactured from Billet Aluminum for reduced mass and features the kind of control and flow youve come to expect from the StraightGate series of Turbosmart products. Unlike a traditional external wastegate which bypasses gas around the turbine housing aiming to reduce turbocharger shaft speed and effectively, boost