The Haltech Nexus Mazda RX-8 Plug-in, as the name suggests, plugs directly into the Mazda harness, and nestles neatly into factory location.
It seamlessly supports vital OEM functions.
Unlock enhanced capabilities with "OEM Plus" functionality via the auxiliary connector, enabling features such as O2 Control, Flex Fuel, Oil Pressure monitoring, Fuel Pressure sensing.
And for serious drivers, the Nexus ECU unleashes potent Race Functionality, including CO2 Boost Control, Race Timer, Advanced Torque Management, Launch Control, Nitrous Control, and 128MB of onboard data logging.
Setting up your Mazda has never been easier, thanks to the intuitive setup wizard in NSP software or the Haltech Connect App on your smartphone. Plus, Wi-Fi capability ensures effortless diagnostics and tuning on the go.

Nexus Plug-in ECU includes

Nexus Plug-in Mazda RX-8 ECU
Air temperature + Wideband expansion harness 2.5m (8')
Air temperature sensor (1/8' NPT)
Aluminium bung for air temperature sensor
Mounting brackets and hardware to suit
3mm Vacuum hose 2.5m (8')
3mm Aluminium Vacuum T piece
Haltech USB-C cable
Quick start guide

Suits: 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)

Includes: Nexus Plug-in ECU, Air temperature + Wideband expansion harness 2.5m (8') and spare pins, Air temperature sensor (1/8' NPT), Mounting hardware, vacuum hose, T-piece, USB cable, Quick Start Guide

Notes: Supports Manual Transmissions Only - Factory manual - 5 speed on 4-port, 6 speed on 6-port