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AEM Tru-Boost Controller

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AEM Tru-Boost Controller

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Part Number: 21781
Manufacturer: AEM Electronics

Key Features / Product Warranty

AEM Tru-Boost Controller

AEM's Tru-Boost is one of the best known boost controllers on the market today. Everything is housed within the gauge, making it easy to install and match to your other AEM Gauges. The interface uses the two buttons at the bottom of the face, and also includes an on board 29 PSIg sensor but also has a 75 PSIa external option for those making big boost. AEM's boost control solenoid (included) is the only one specifically made for automotive boost applications so it won't corrode or stick from exposure to rich fuel mixutres and is pressure tested to 100 PSI and includes -4 AN fittings to elimiate the chance for leaks.


  • No external interface required for programming
  • Complete system includes harness, boost hose, on-board 29 PSIg pressure sensor (external 75 PSIa optional), boost solenoid, gauge display and all necessary fittings
  • Two user selectable boost settings with peak boost memory
  • Scramble boost setting allows user to momentarily change boost leve
  • User selectable Overboost alarm includes two timed shutdown levels at 10% and 20% Overboost
  • User configurable gauge includes 24 scalable LEDs, and interchangeable bezel, pin guide and faceplate to customize look of display
  • One (1) low-side output for warning lights