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SKU: HT-141220 | UPC: 9356450006798
Haltech Elite 2000/2500 Plug-n-Play Adaptor Harness Kit Subaru WRX/STI GDB
The Haltech HT-141220 Plug-n-Play Adaptor Harness Kit is the best ECU integration solution for 2001-2005 Subaru Impreza WRX/STI (GDB) owners upgrading to Haltech Elite 2000 or 2500. This complete harness connects directly to factory wiring for full standalone control, precise tuning, boost management, and data logging without custom fabrication or wiring modifications.
Key Features
- Direct Plug-n-Play: Injection-molded connectors mate perfectly with factory harness and Haltech ECU
- Complete Kit: Includes air temp sensor, auxiliary I/O plug, quick start guide, and software
- Fast Installation: Typically completed in a few hours with no cutting or soldering
- Advanced Tuning: Unlocks full mapping, flex fuel, launch control, and logging capabilities
Specifications
| Specification | Detail |
|---|---|
| Part Number | HT-141220 |
| Compatibility | Haltech Elite 2000 / 2500 ECU |
| Engine | EJ20 Non-DBW Manual Transmission |
| Included Sensor | M14 x 1.5 Air Temp w/ Plug |
| Auxiliary I/O | 16-Pin Tyco Plug & Pins |
| Country of Origin | Australia |
| Warranty | 1-Year Limited |
Product Notes
- For non-drive-by-wire EJ20 manual models – off-road/competition use recommended
Installation Notes
- Estimated time: 2-4 hours, moderate difficulty, basic tools required
- Direct replacement for factory ECU harness no custom wiring needed
This Part Fits
| Year | Make | Model | Notes |
|---|---|---|---|
| 2001-2005 | Subaru | Impreza WRX | GDB Chassis All Regions |
| 2001-2005 | Subaru | Impreza WRX STI | GDB JDM / Australian Models |
Why Choose Haltech?
- Australian leader in standalone ECU systems with proven reliability in motorsport
- Plug-n-play harnesses designed for seamless factory integration and advanced tuning
- Comprehensive support and software for professional-level engine management
Frequently Asked Questions
-
Q: Does it fit automatic models?
A: No, designed for manual transmission non-DBW EJ20 applications only. -
Q: Is the ECU included?
A: No, harness kit only – requires Haltech Elite 2000 or 2500 ECU. -
Q: Will it pass emissions?
A: For off-road/competition use – check local regulations for street legality. -
Q: Does it support flex fuel?
A: Yes, with Elite ECU and optional ethanol sensor for E85 blending.
Shipping & Handling
- Method: UPS/FedEx Ground
- Availability: In stock, ships same or next business day
- Packaging: Official Haltech retail box
Haltech
Haltech is an Australian manufacturer of standalone engine management systems, producing the Elite series ECUs that are among the most capable and user-friendly aftermarket engine management platforms available to professional tuners and high-level enthusiasts worldwide. Haltech's Elite 550, 750, 1500, and 2500 ECUs provide full sequential fuel injection and ignition control, built-in wideband oxygen sensor input, and a broad I/O capability that supports complex engine builds including those with individual throttle bodies, direct injection, and complex ignition systems. The NSP series provides an even more advanced platform for race and professional motorsport applications with the highest channel count and fastest processing speed in the Haltech lineup. Haltech Plug-In ECUs for popular OEM applications allow a factory-level installation of a fully programmable ECU without any custom wiring, and the brand's Plugin Kits for popular Japanese sports cars are among the most widely used...
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