Shipped locked and must be enabled before use. This increases security of shipping and provides information on when an ECU is first used for warranty purposes. Add "A" & "B" Loom if needed

The G4+ Xtreme (black) offers the ultimate in engine management.

There are many great new features with the (black box). Here are some to skite about

  • A beautiful new robust metal enclosure
  • Integrated mounting bracket that is invisible once mounted (easily unclipped with release holes)
  • Eight peak and hold injection, user definable, 10 amp peak, 3 amp hold
  • Mixture map, closed loop fuel correction. Automatic control via two O2 sensors
  • OBDII compatibility

    Upgrades Are Now Included

    • E-throttle. Previously an upgrade for the red Xtreme e-throttle is now standard in the G4+ Xtreme black ECU. Use any e-throttle and pedal combination. Fully programmable e-throttle control complete with gear shift control and throttle blips
    • Knock. Internal digital knock "windowing". Detects knock using factory or after market knock sensors
    • Logging. Was 15 channels, now 100 channels of logging included
    • CAN. Now user defined and supports two independent CAN modules
    • Traction Control. Controlled tyre slip to improve vehicle safety, driveability and performance


    • Eight saturated injection drives, eight ignition outputs, 11 analog volt inputs, 10 digital inputs, 10 auxiliary outputs *
    • Four temperature inputs
    • Two, thirty four pin, waterproof connectors
    • External, 3, 4, 5 or 7 bar, MAP sensor (sold separately)
    • CAN / RS232 port

    Software - PCLink

    • Fast tuning with keyboard driven commands
    • Six hundred pages of help on "right-click"
    • Powerful logging analysis built into PCLink
    • Tabbed, user configurable layout


    * Unused injection and ignition drives can be used as auxiliary outputs.

    Xtreme g4X