AM 30-4350 The AU TRU-BOOST controller is an electronic boost controller that combines the simplicity of a handheld boost controller with the added ease of adjusting boost levels via the meter interface. Requires no external interface to configure and is fully functional right out of the box. No external interface required Complete system including wiring, charge hose, built-in 29 psig pressure sensor (optional external 75 psi), boost solenoid, gauge display and all necessary accessories Quick Connect technology simplifies the installation process Two user selectable boost settings with peak boost memory AEM's TRU-BOOST Gauge-Type Controller is an electronic boost controller that combines the simplicity of a manual boost controller with the added ease of adjusting boost levels through a gauge interface . There is no external interface required for set up, and it is fully functional right out of the box. There are no gimmicks or special software programs included. & Nbsp