Haltech Platinum PRO Plug-in ECU Subaru GDB WRX MY01-05

If you are after a simple plug-and-play option and your car still has its original engine and wiring in it, a Plug-in ECU is the easiest and quickest solution. You simply unplug the factory ECU, and plug the Haltech ECU directly into the factory harness. Load your base map and you're ready to go!
Direct plug and play replacement of the OEM ECU, no rewiring necessary
Uses the car's factory sensors
Windows 2000, XP, Vista, Windows 7 & 10 compatible software
Real-time programming, instant hesitation free adjustment while the engine is running
Fully user definable 32 x 32 mapping
Tuning via Volumetric Efficiency (VE), Injection time or Lambda Correction (MAF)
Selectable onboard internal MAP sensor rated to 150kPa (up to 1.5 Bar or 22psi boost)
Wideband auto-tuning using user definable target AFR table
Legal only for use in competition vehicles which may never be registered, licensed, and/or used on public streets or highways; and also for use in other exempted vehicles.