Nexus S3 Plug 'n' Play Adapter Harness Subaru WRX STI MY11-19 (ADM) (HT-186300)
Plug-In Fitment
Plug-In Fitment

No wiring needed

Component Only
Component Only

No ECU included

Vendor:Haltech

Nexus S3 Plug 'n' Play Adapter Harness Subaru WRX STI MY11-19 (ADM) (HT-186300)

SKU: HT-186300

$535.00
Shipping calculated at checkout.
Plug-In Fitment
Plug-In Fitment

No wiring needed

Component Only
Component Only

No ECU included
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Manufacturer Limited Warranty

Product details

Description

A factory ECU swap that takes hours, not a weekend of cutting and splicing.

The Nexus S3 Plug 'n' Play Adapter Harness Subaru WRX STI MY11-19 (ADM) plugs directly into your Haltech ECU on one side and your factory harness on the other. It is a fully reversible adapter that gives the Haltech standalone full control of your engine without permanent modifications to your wiring. Up and running quickly, with the factory loom preserved.

Features

  • OEM-quality connectors and correct gauge wiring throughout
  • Plug-and-play fitment with no cutting or splicing of factory wiring
  • Fully reversible, factory harness preserved
  • Built for the Haltech Nexus platform
  • Compatible with the Haltech Nexus S3 ECU
  • Backed by Haltech limited warranty
  • For competition and off-road use

The Details

Part number HT-186300. Built to match the exact connector layout and pinout it is designed for, so it drops into your system without surprises. Always confirm fitment and compatibility for your specific application before purchase.

Fitment

See the product title and Haltech documentation for exact application coverage. Part number HT-186300.