Plug n Play Elite 2500 STi & WRX 04-2021 Harness

(1 customer review)

Original price was: $649.00.Current price is: $619.00.

The plug n play harness for the 2004-2021 USDM STi, WRX, LGT and FXT to Haltech Elite 2500 ECU is the perfect solution to anyone building a track monster that needs the motorsports functions of the Haltech Elite ecu. These custom build harnesses connect the OEM engine wiring harness to the Haltech Elite 2500 ECU with optional IO expansion. The harness allows for quick and easy install for any manual or sequential transmissions equipped STI or WRX using an EJ25. The Haltech ECU’s have been developed for off road motorsports use such as time attack, rally and circuit racing. You can find the Haltech 2500 ecu on a number of our race cars from drag racing to rally cross and drift cars. **This is a Motorsports only item never to be used on public roads within the USA.**

Choose Production year/options

Let us know what year subaru you are working with. This will ensure you get the correct version of our PnP Elite 2500 harness for your STI

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  • Pre wired staged injector harness using DTM 6 connector and matching plug/pins to connect to your staged injector harness. ***MUST BE USED WITH IO EXPANSION***

Package Price Special Offers

Add the Haltech Elite 2500 ecu and IO 12 expansion module to your order for a complete plug n play package with full Flex Fuel support through TGV's.

  • haltech elite 2500

    Haltech Elite 2500 ECU, over $200 instant savings when packaged with our PnP WRX/STI Harness.

  • Haltech IO expansion module

    IO expansion module + Pre-wired expansion harness for Flex Fuel, map select, fuel pressure, etc.

Haltech Elite Recommended Sensor

Additional sensors used for Motorsports & Engine protection strategies

  • haltech wideband O2

    Haltech wideband O2 CANbus controller + Bosch 4.9 lsu 02 sensor (Perfect for all Elite ecu's).

  • aem 5 bar map sensor stainless body

    Must have for high boost applications running 35psi-55psi

  • 150 psi oil pressure/temperature sensor

    Used for fuel pressure and temperature based engine protection strategies.

  • 150 psi oil pressure/temperature sensor

    Used for oil pressure & temperature related engine protection strategies.

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SKU: VE25113-2500 Categories: , ,