Will it fit your vehicle?
This part is listed to suit:
- MakeSubaru
Fitment listings are a guide. For a guaranteed match, send us your rego or VIN and our team will confirm the exact part before you pay.
$3,954.99
– FeaturesECU OVERVIEWHaltech's Nexus S3 is the successor to the acclaimed Elite 2500, offering a serious upgrade in performance and functionality.
Fast AU-Wide Shipping
Easy returns within 14 days
12 month warranty
This part is listed to suit:
Fitment listings are a guide. For a guaranteed match, send us your rego or VIN and our team will confirm the exact part before you pay.
ECU OVERVIEW
Haltech's Nexus S3 is the successor to the acclaimed Elite 2500, offering a serious upgrade in performance and functionality. The S3 combines all the classic functionality of the Elite 2500 with new features and the superior processing power of the successful Nexus platform.
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.
Features
ECU FEATURES
AUTOMATIC TRANSMISSION CONTROL
Suits: Plug 'n' Play replacement of the factory ECU for Subaru GDB WRX MY01-05 (All regions) & STI MY01-05 (JDM & Australian Delivered Only)
EJ20 Non DBW with manual transmission only.
Includes: Nexus S3 ECU, Injection molded plastic plug 'n' play adaptor harness, M14 x 1.5 air temp sensor with matching plug and pins, auxiliary I/O 16 Pin Tyco plug and pins.
Notes: Manual transmission only.
Freight question? Call us on (07) 5619 7869.
| Weight | 1.5 kg |
|---|---|
| Dimensions | 25 × 20 × 12 cm |
Haltech warrants its products to be free from defects in material or workmanship for 12 months from the date of purchase.
Tuning support, harness diagnostics and ECU configuration available in-workshop at Willys.
Read the full Haltech warranty terms →
Warranty claims are coordinated through Willys Workshop. Email sales@willysworkshop.com.au or call Warana (07) 5619 7869 / Oxley (07) 3377 3421 with your order number and a description of the issue.

Brisbane (Oxley)
291 Cliveden Avenue, Oxley QLD 4075
(07) 3377 3421
Sunshine Coast (Warana)
29 Production Avenue, Warana QLD 4575
(07) 5619 7869
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