The ECUMaster EMU PRO-8 is a professional wire-in engine control unit (ECU) from ECUMaster. It has 8 injector and 8 ignition outputs, support for up to 8 cylinders, 2 drive-by-wire throttle channels, 2 onboard wideband lambda inputs and knock control. List price is US$2,064. 12 sellers list it from US$1,630 to US$2,163.
Prices checked . Specs from ECUMaster's published data.


Key specs
DBW = drive-by-wire throttle channels · λ wideband = onboard wideband lambda (oxygen sensor) inputs · CAN = controller area network buses.
Features
- ✓Drive-by-wire
- ✓Onboard wideband
- ✓Knock control
- ✓Flex fuel
- ✓Traction control
- ✓Launch control
- ✓Boost control
- ✓Gearbox control
- ✕Onboard logging
- ✕Ethernet
- ✓USB
- ✕Built-in display
✓ published · ✕ not offered · ? not published. Some features, like traction control and launch control, mean different things by brand. See the glossary.
Details
- Highlights
- 8A peak/hold injectors, 2 internal LSU 4.9 (up to 4 sensors), 4 EGT, 4 VVT, LIN, GDI via GDI Driver; PC link via USB-to-CAN
- Software
- EMU PRO Client (free)
- Logging
- External USB flash drive, up to 500 Hz
- Case
- 165 × 95 × 38 mm
- Links
- Product page ↗Price source ↗
- Fits
- Can-Am Maverick X3 · Lexus SC300 · Polaris RZR · Toyota Aristo · Toyota Supra
- Tuning
- Find a ECUMaster tuner with a dyno
- Maker
- ECUMaster: history, software and every model
Where to buy the EMU PRO-8
15 sellers found
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Prices as shown on each seller's site on , in their own currency, converted at 14 Oct 2026 rates. Shipping, import duty and tax vary. Check with the seller before you buy.



