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The AMS-500 Boost Controller was designed as a street/strip controller for those who do not need all the bells and whistles of the AMS-1000. It uses the same control logic so control is the same as the AMS-1000 unit. The AMS-500 offers 2 stages of wastegate control and uses a internal 40 psi pressure sensor.Dont be fooled, this is the most advanced 2 stage controller out there offering 3 modes of operation.Kit includes: