Complete Twin-Turbo Control for the FD RX-7
The Nexus S3 Plug ‘n’ Play Adapter Harness Kit is the uncompromising choice for the Mazda RX-7 FD Series 6. Unlike the S2 kit, the Nexus S3 VCU included in this package features expanded Input/Output capabilities, allowing it to fully support the complex factory sequential twin-turbo system. It is also the ideal platform for high-end single turbo builds requiring additional sensor inputs, staged injection, or extensive data logging.
Advanced Rotary Management
The Nexus S3 combines an ECU, PDM, and Data Logger into one robust unit. The adaptor harness bridges this advanced technology to the FD’s factory loom, retaining the functionality of the factory dashboard and key chassis systems. The S3’s advanced processing speed is critical for managing the transition points in the sequential turbo system or for controlling complex auxiliary port valves on the 13B-REW.
Operational Benefits
- Factory Twin Turbo Support: Has sufficient I/O to control the solenoids required for the OEM sequential turbo system.
- Massive Data Logging: 128MB of on-board logging for analyzing track sessions.
- Flexible I/O: Perfect for drive-by-wire conversions or additional pressure/temp sensors.
Fitment Guide
Vehicle: Mazda RX-7 FD3S Series 6 (1992-1995)
Configuration: Factory Twin Turbo OR Single Turbo
Transmission: Manual Only
Technical Specifications
| VCU Model | Haltech Nexus S3 |
| Turbo Support | Twin Turbo or Single Turbo |
| Interface | S6 Plug ‘n’ Play Adaptor |
Summary & What’s Included
The ultimate plug-in management system for the Series 6 RX-7.
Includes:
- Nexus S3 VCU
- S6 Adaptor Harness
- Air Temp Sensor
- Auxiliary Plugs
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