Back to Direct Plug-In ECUs
ECUs & VCUsNexus Plug-In ECUs
Nexus Plug-in ECU — Mazda RX-8 S1
$1,695
Backorder
Backorder — ships on Haltech lead time
A direct plug-in ECU replaces the supported factory ECU while retaining the factory harness connection. Confirm the exact vehicle, model year, engine, and supported OEM functions before ordering.
- System
- ECUs & VCUs
- Family
- Nexus Plug-In ECUs
- Product type
- Hardware
- Brand
- Haltech
Best fit
- Your vehicle has a supported factory harness and you need a confirmed-compatible ECU connector.
- You want the OEM connector location and existing wiring layout verified before you check out.
Choose this instead
- Choose a universal wire-in harness if you need custom wiring instead of reusing the factory connector.
- Choose a universal wire-in harness if your replacement wiring should be custom-built.
- Choose a universal wire-in harness for race cars, custom wiring, or unsupported vehicles.
Application notes
- Not sure this is the right part? Send us your vehicle, engine package, wiring approach, sensor set, and CAN layout and we'll help you choose.
- Intended for sanctioned off-road and competition vehicles that aren't emissions-controlled. You and your installer are responsible for compliance with applicable laws and regulations.