Upgrade your Subaru GDB WRX or STI (MY01–05) with Haltech's Elite 2500 ECU and Plug 'n' Play Adaptor Harness. Designed specifically for vehicles running the EJ20 non-drive-by-wire engine with manual transmission, this system delivers advanced tuning features and seamless integration with the factory wiring harness—making it ideal for racing and performance applications.

Important Emissions Notice:
This product is intended for sanctioned off-road/competition use only. It is not legal for use on public roads or highways unless a regulatory exemption exists.

Key Features:

• Suits: Subaru GDB WRX MY01–05 (All regions) & STI MY01–05 (JDM and Australian Delivered only) with EJ20 Non-DBW and manual transmission

• Includes:

  • Haltech Elite 2500 ECU with DBW and Race Functions

  • 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 connector

  • USB programming cable

• NOT CARB LEGAL

ECU Overview:

• Supports 1–12 cylinder and 2–4 rotor engines

• Sealed, waterproof IP67 case

• 8 x fuel injection outputs, 8 x ignition outputs

• 45 channels of CAN I/O expansion

• Drive-by-wire throttle control support

• Uses intuitive NSP Calibration Software

• USB laptop tuning (Windows compatible)

Advanced ECU Functions:

• Dual bank closed-loop O2 control

• Flex fuel with direct ethanol sensor input

• Dual channel knock control

• Variable camshaft control (up to 4 cams)

• Long-term learning and auto-tune support

• On-board and laptop data logging

• Multi-stage injection and ignition

• Launch control, anti-lag (static and rolling)

• Traction control, flat shift, and boost by gear/speed

Race Functions:

• Nitrous control (up to 6 stages)

• CO₂ and wastegate boost control

• Sequential turbo setup

• Shock travel and ride height tuning

• Trans brake and time-based tuning functions

• Optional Advanced Torque Management upgrade

Application:
Plug 'n' Play ECU solution for Subaru GDB WRX MY01–05 and STI MY01–05 (JDM & ADM only) with EJ20 Non-DBW and manual transmission.

Brand: Haltech
SKU: HT-151325