STM Tuning & Sensors
STM offers various kits to convert to speed density, our popular logging cable and an Evo base tune.
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STM Evo 8/9/X AEM UEGO EvoScan Serial Logging Cable
$39.00
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STM Speed Density Sensor Kit GM AIT & 4 Bar MAP for Evo 8/9 & DSM
$151.97
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STM GM Air Intake Temperature Sensor Kit
$32.00
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STM Evo 8/9 AEM MAP Sensor Harness (MAP-PNP)
$35.00
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STM Speed Density Sensor Kit AEM AIT & 4-Bar MAP for Evo 8/9 & DSM
$174.57
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STM GM AIT Sensor Pigtail Harness
$10.00
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STM Evolution X Base Tune (for Stock Injectors)
$250.00 +
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STM MAF Extension Harness for 2015-2021 WRX
$35.00
