AMS EVO X/Ralliart Boost Pill

AMS EVO X/Ralliart Boost Pill


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AMS strongly recommends the use of the AMS Lancer Evolution X / Ralliart Boost Pill for any vehicle equipped with the SST transmission. Because of the highly advanced clutch engagement and disengagement of the SST transmission; Manual and Electronic boost controllers are highly inconsistent causing severe boost spikes inadequate boost control resulting in poor drivability and possible engine failure.

The stock Evolution X and Ralliart ECU both utilize 3D mapping for the boost solenoid duty cycle which in turn regulates boost throughout the entire RPM range. The AMS boost pill will allow you to safely and efficiently run higher target boost levels, eliminate unwanted boost spikes all while providing OEM drivability.


  • Safely and efficiently raises boost levels
  • Eliminates unwanted boost spikes
  • OEM drivability
  • Easy to Install and completely reversible

Kit Includes

  • AMS Evolution X / Ralliart Boost Pill

Product Notes

  • Your car MUST have a tune to use this boost pill
  • Failure to tune your vehicle after the installation of the boost pill can result in engine failure.