Buy Now - Pay Later with Affirm
Learn More
  See more parts for your Mitsubishi Evolution X

GEMS Plug-N-Play ECU Mitsubishi EVO X 08-12




This product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles.

Purchasing this product requires you to sign our Vehicle Compliance Waiver here.

GEMS Plug-N-Play ECU Mitsubishi EVO X 08+
The GEMS Mitsubishi EVO Engine ECU is a highly capable and fully customizable engine implant built with competition in mind. With full anti-lag, launch control, MIVEC and much more, the EVO ECU has got the technology needed to take your EVO to a higher level.

The GEMS Mitsubishi EVO ECU’s are being extensively used in rallying across the world and have proven themselves time and again. These are fully pin-to-pin compatible with the Mitsubishi EVO standard looms, and bolt directly into the standard case.

  • Fits into EVO standard case and loom
  • Comprehensive anti-lag system
  • Launch control
  • Internal logging facility
  • Support for development sensors i.e. Wide band lambda and EGT
  • Wideband Lambda (EVO X)
  • Customizable MIVEC
  • Logging of serial and CAN data
  • Lambda control and auto mapping
  • Knock control
  • Boost control
  • Idle speed control
  • Gear correction
  • Individual cylinder controlv
  • Re-flashable firmware

  • Specifications:
  • Comms: serial and CAN (EVO X - USB)
  • Twin CAN (EVO X)
  • All standard outputs plus 4 extra
  • All standard inputs plus 3 extra
  • 512KB logging memory (EVO X - 8MB)
  • User configurable I/O
  • Single piece PCB

  • Also available with the optional Diff Controller.

    GEMS differential controllers are used in many cars all over the world, proving themselves over the years to be reliable and highly usable. The EVO ACD is a direct replacement for the factory unit making it a perfect option for group N rally series cars. The EVO ACD gives you complete control over your Mitsubishi EVO center differential, providing with you the maximum grip and enhanced handling, be it on tarmac, gravel or snow.

    Diff Controller Features:
  • Fully customizable differential maps
  • Setup can be password protected
  • Wheel speed sensor diagnostics
  • Fits into standard EVO wiring
  • Uses all standard EVO sensors
  • Connects to GWv3 software for complete customization

  • Diff Controller Specifications:
  • Modes of operation: Off, Gravel, Snow, Tarmac, Lock
  • Start, Handbrake, Footbrake, Accel, Deccel
  • regimes for each active mode
  • Serial data stream for dash display

    Please select Diff Controller Option below.

    For EVO Plug-N-Play Infosheet CLICK HERE

    For EVO Diff Controller Infosheet CLICK HERE
  • Proposition 65

    /!\ warningWARNING: Cancer and Reproductive Harm

    General Engine Management Systems Ltd (GEMS) are a specialist UK electronics engineering company with impeccable credentials and exceptional status in producing high quality electronics systems for the autosport industry spanning over 25 years.

    GEMS was setup in the early 80’s to deliver custom products to motorsport teams needing electronics systems to keep up in a rapidly changing market. Today as the motorsport industry, marine and aviation sectors rapidly move forward in terms of electronic complexity and computing power, GEMS still provides the very latest technology and over two decades of know-how to all levels – from leading factory racing teams and the defence industry, to the car tuning enthusiast.

    Behind GEMS is a great team with a great skill-set that includes the engineering and technologies, creativity, experience, acumen and innovation required to develop the great products our customers require – ranging from engine controls units, to dash display systems. A glance at our news reports show race winners from every quarter of the various motorsports circuits and championships using GEMS products to enhance vehicle performance and efficiency.

    GEMS Store

    Check out these other great products