The s300 version 3 is a plug in module to the OBD1 factory Honda Engine Computer (not included) 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.

Our Hondata S300 package Includes: Complete (new) Honadata v3 S300 unit, with software, & a p28 obd1 ECU (Hondata Unit Preinstalled). FREE Standard Shipping. Please Note that this Package is now done upon order, please allow 3-5 business days for shipment.