Haltech TMS-4 TPMS System w/ Internal Sensors 2018-2021-subaru-wrx-sti and no rattles

and no rattles

93% / Max HP +29

300V Competition

000mile/60

If you are using a factory harness and are after an easy ECU upgrade

Haltech TMS-4 TPMS System w/ Internal Sensors 2018-2021-subaru-wrx-sti and no rattlesHaltech TMS 4 TPMS System w Internal Sensors The Haltech TMS 4 is a plug and play tyre pressure monitoring system, controlled through your Haltech Elite or Nexus ECU. Typical refresh rate : 60 seconds (when the vehicle is in motion) The TMS 4 can fire several optional trouble codes, including: Pressure High Pressure Low Temperature High Air Leak Detected Sensor Battery Voltage Low Suits: Haltech Nexus and Elite ECU's using NSP and ESP Software