Hondata S300v3

The s300 version 3 is a plug in module to the OBD1 factory Honda Engine Computer (not included) for manual transmission vehicles which vastly expands the capabilities of the factory ECU. Forced induction, datalogging, real time programming, Bluetooth and engine protection are but a few of the comprehensive s300 features.

Designed, manufactured and assembled in the USA.

There are rectangular frame ECU (US) and square frame ECU (Japan) versions of the s300.

The S300 uses SManager software for tuning and datalogging

Optional Mail‑In Installation Service

Installing the emulator board requires advanced soldering skills, professional installation is highly recommended.

How the Mail‑In Service Works

1. Place your order for this service.
2. Fill out the service form to receive shipping instructions:
   https://oxytuned.com/service/
3. Ship your ECU to us for installation.
4. Track your ECU’s status in our live service queue:
   https://oxytuned.com/queue
5. We install the emulator device, test it, and ship it back ready to use.

Disclaimer: Installation pricing applies only to unmodified (stock) ECUs or ECUs previously modified with the correct components required for this product. If additional modifications or repairs are needed, we will contact you with an updated quote before proceeding with the installation.