The ECUMaster EMU CLASSIC is an entry-level wire-in engine control unit (ECU) from ECUMaster. It has 6 injector and 6 ignition outputs, support for up to 6 cylinders, 1 onboard wideband lambda input and knock control. List price is US$999. 15 sellers list it from US$728 to US$1,067.
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
- Budget unit; DBW and CAN need external modules; LSU 4.2 only
- Software
- EMU Client (free)
- Logging
- PC only (external EDL-1 at 20 Hz)
- Links
- Product page ↗Price source ↗
- Fits
- Audi A3 / S3 · Audi A4 / S4 / RS4 · Audi S2 / RS2 · Audi S6 · Audi TT / TTS / TT RS · BMW 3 Series / M3 · BMW 5 Series · Lexus SC300 · Mazda MX-5 Miata · Mitsubishi Lancer Evolution · Nissan Silvia / 180SX / 200SX / 240SX · Nissan Skyline (non-GT-R) · Nissan Skyline GT-R (R32–R34) · Toyota Caldina GT-T · Toyota Celica GT-Four · Toyota Chaser / Mark II / Cresta · Toyota MR2 · Toyota Soarer · Toyota Supra
- Tuning
- Find a ECUMaster tuner with a dyno
- Maker
- ECUMaster: history, software and every model
Where to buy the EMU CLASSIC
17 sellers found
No sellers match. Try another region or turn off “In stock only”.
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.



