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Engine Management

Engine Management

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  1. AEM ECU Extension harness

    AEM ECU Extension harness

    $249.99

    The AEM ECU Extension Harness is perfect for those who are installing electronics that need to be tapped off of your factory ECU harness. In the past, you would have to literally cut into your factory harness to connect such components as turbo timers, data loggers, fuel computers and other devices that need to bypass or modify the ECU's signal. With the AEM ECU Extension Harness, all you do is simply plug this harness between your ECU, and your factory harness, and you are all set! When doing your installs, simply tap into the new AEM ECU Harness, and since you are not splicing into your factory harness, you can always go back to stock in a second - simply remove the harness!

    Each wiring harness is designed to be used with your specific vehicles wiring harness, and is built with the factory original harness connectors. It's simply plug and play! Each AEM ECU Extension harness comes with a 1 year manufactures warranty. Learn More
  2. Boomslang PnP Haltech Elite 1000 wiring harness for Mazda Protege

    Boomslang PnP Haltech Elite 1000 wiring harness for Mazda Protege

    $499.99

    Simplify your life with this Plug & Play harness for your Haltech standalone ECU! Learn More
  3. Factory ECU for 2.0L Manual Trans Protege

    Factory ECU for 2.0L Manual Trans Protege

    $159.99

    This is a pre-owned ECU from a manual transmission 3rd generation 2.0L non-MSP Mazda Protege. These are typically used when running a piggyback computer on a Mazdaspeed Protege. This ECU is plug and play, and will not throw any check engine lights when installed to your Mazdaspeed Protege. The advantage of running this ECU on an MSP with a piggyback spark and fuel controller is the fact that it has a much more linear base map which has a leaner air:fuel ratio and a more predictable timing map. This allows you to add fuel in a straightforward manner with an additional injector setup, and allows you to make more straightforward timing modifications with the piggyback computer. Learn More
  4. Factory ECU for MazdaSpeed Protege

    Factory ECU for MazdaSpeed Protege

    $379.99

    This is a pre-owned ECU from a MazdaSpeed Protege. Learn More
  5. FM O2 signal Voltage Clamp

    FM O2 signal Voltage Clamp

    $134.99

    This device is crucial when running boost on a Protege with a non-turbo ECU. A non-turbo Protege wants to run at a 14.7:1 air:fuel ratio, and you need to run much richer than that (around 12:1). Without this device, when you add fuel (be it by an FMU, extra injectors, etc) under closed loop, the stock ECU will see this, and learn to pull the fuel, making you run too lean under boost and detonate.

    This device knows when you're on boost, and when you are, it will tell the ECU that you are running a 14.7:1 air:fuel ratio so no fuel is pulled by the ECU. This simple device can be the difference between a happy motor and a blown motor. Learn More
  6. Haltech Elite 1000 Standalone ECU for 2001+ Mazda Protege

    Haltech Elite 1000 Standalone ECU for 2001+ Mazda Protege

    $1,399.00

    Get the most out of your FS powered Mazda Protege with this standalone from Haltech!

    Learn More
  7. JoeP Fuel Cut Defenser (FCD)

    SpeedCircuit Fuel Cut Defenser (FCD - Formerly JoeP FCD)

    $79.99

    Fuel Cut Defenser- Experiencing fuel cut with your boosted Protege? This kit will allow you to run increased boost without hitting the dreaded "fuel cut".

    Learn More

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