IWG75 Ford Focus RS 2.3L Ecoboost Black 12PSI (TS-0622-9122)Tasked with controlling how much boost the Focus's turbo is allowed to produce, the wastegate plays an integral role in the turbo system. However, the Focus's standard actuator does not let the Focus reach its full potential, even at standard boost pressures. OEM wastegate actuators tend to use soft springs, which begin to open long before peak boost is reached. The result is that you don't get all the boost you could be getting. Turbosmart's IWG 75