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AVO Boost Control Actuator STI
AVO boost actuator provides a steady 15psi from the factory turbo. AVO boost actuator improves boost response while ensuring boost is maintained at a preset level, resulting in increased torque and hp. Where the factory actuator drops boost as the revs rise, the AVO actuator delivers constant boost all the way to redline and beyond. An extremely safe, reliable and effective means of raising your boost level.