Hondata S300 V3 OBD1 Honda ECU Tuning Module

The Hondata S300 V3 is a plug-in tuning module for compatible OBD1 Honda ECUs, providing full programmable engine management while retaining the factory Honda ECU.

Ideal for performance Honda and Acura applications, the S300 gives tuners control over fuel and ignition maps, VTEC, boost control, rev limits and other engine parameters through Hondata's SManager software. Version 3 also adds Bluetooth connectivity, onboard datalogging, ethanol content sensor support, CAN output and serial output.

Important

This listing is for the Hondata S300 V3 module only. ECU is not included.

The S300 requires a compatible OBD1 Honda ECU. Vehicles originally equipped with OBD2 may also require an OBD2-to-OBD1 conversion harness.

Need a complete setup? See our Hondata S300 V3 with ECU package.

Key Features

• Real-time ECU tuning and programming
• USB and Bluetooth connectivity
• Built-in datalogging
• Fuel and ignition control
• Boost control and engine protection
• Ethanol content sensor support
• CAN and serial data output
• Compatible with many popular Honda B, D, H and F-Series applications
• Designed, manufactured and assembled in the USA

Racing Use Only

Within the USA, this product is legal only for racing vehicles that may never be used upon a public highway.