STM Tuning & Sensors
STM offers various kits to convert to speed density, our popular logging cable and an Evo base tune.
- STM Evo 8/9/X AEM UEGO EvoScan Serial Logging Cable $39.00
- STM Speed Density Sensor Kit GM AIT & 4 Bar MAP for Evo 8/9 & DSM $148.98
- STM GM Air Intake Temperature Sensor Kit $32.00
- STM Speed Density Sensor Kit AEM AIT & 4-Bar MAP for Evo 8/9 & DSM $174.57
- STM Evolution X Base Tune (for Stock Injectors) from $250.00