Haltech Nexus Plug-in (Mazda RX-8) ECU
The Haltech Nexus Plug-in (Mazda RX-8) is a mid-range plug-in engine control unit (ECU) from Haltech. It has 6 injector and 4 ignition outputs, 1 drive-by-wire throttle channel, 1 onboard wideband lambda input and knock control. List price is US$1,695. One seller lists it at US$1,695.
Prices checked . Specs from Haltech'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
- Fits: Mazda RX-8 Series 1 2003-2008, 13B-MSP Renesis 6-port (ADM, USDM, JDM, EUDM), Mazda RX-8 Series 1 2003-2008, 13B 4-port (JDM). Manual transmissions only. Only CAN-based ABS/DSC modules are supported (ADM, USDM, JDM and two European versions); K-line ABS is not. An unsupported ABS module can switch off ABS and stop the speedometer and odometer. The factory immobiliser is not supported, but the car still runs and the warning light can be suppressed. The MAF signal is not used; the onboard MAP sensor must be plumbed in. The factory front 4-wire wideband sensor is not supported; fit a Bosch LSU 4.9 or NTK sensor.
- Part number
- HT-231401
- Software
- ESP (free)
- Logging
- 128MB onboard
- Links
- Product page ↗
- Fits
- Mazda RX-8
- Tuning
- Find a Haltech tuner with a dyno
- Maker
- Haltech: history, software and every model
Where to buy the Nexus Plug-in (Mazda RX-8)
1 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.
