The UK's official Speeduino distributor

£400.00 exVAT⠀⠀£480.00 incVAT

DIY-EFI CORE4 Miata / MX5 MK1 Plug n Play ECU.
This is an ECU that plugs straight into the stock wiring loom for 48 Pin (2 Plug) cars.
It fits the factory case and can come with an optional on-board wideband controller kit.


14 in stock

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A DIY-EFI CORE4 ECU module on a daughter-board allowing for Plug and Play installation on a 2 plug MK1 MX5.
Fits in the factory enclosure for a tidy compact install.
Will be shipped with the latest firmware and base map.
Add internal wideband O2 control with a harness and sensor for just £120 extra!
Tuned with Tunerstudio.

Fully compatible and running Speeduino open source firmware.

Some hardware changes are required in the car for optimal running.
For installation details see:

Speeduino is an open source project, I do not own Speeduino, I am just an official reseller.
Speeduino is a project as well as a product, it is still in continuous development.
So there are still features and improvements being added .

Additional information

Add IAT Kit +£15

No, Yes

Add MAF Delete Harness +£12

No, Yes

Add Boost Solenoid Kit +£35

No, Yes

Add TPS Kit +£55

No, Yes

Add Onboard Wideband kit +£120

No, Yes


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