eBG50 Electronic BoostGate 50 BlackThe Turbosmart BoostGate 50 is an electronically controlled butterfly style valve designed for charge pipe boost control. It is manufactured from Billet Aluminum for reduced mass and features the kind of control and flow you 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 levels Charge Air