If you are using a factory harness and are after an easy ECU upgrade, take a look at Haltech Plug 'n' Play Adapter Kits. These adapters plug directly into your Haltech ECU and have a set of factory connectors on the other side which plug straight into the factory harness.
- A simple Haltech Plug 'n' Play product that allows you to be up and running in just a few hours.
- The quick start guide will walk you through installation of the Haltech Plug 'n' Play adapter into your vehicle.
Suits: Plug 'n' Play replacement of the factory ECU for Subaru WRX STI VA MY11-19 Australian Delivered. ( Includes WRX STI GE/GH MY11-14 (ADM), WRX GV/GR MY11-15 (ADM), and WRX STI GE/GH MY 11-14 (ADM) Manual Transmissions Only)
Notes: Australian Delivered Models Only