Hondata v3 s300 System

The s300 version 3 is a plug in module to the OBD1 factory Honda Engine Computer (ECU 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.

Hondata S300 V3 Package w VTEC ECU Jumper Harness

This Hondata S300 package Includes: Complete (new) Honadata v3 S300 unit, with software, & a VTEC obd1 ECU Adapter Harness. FREE Standard Shipping.

Please note that we also offer the s300 unit without the jumper.

Hondata S300 V3 Package w p28 ECU

Our Hondata S300 package Includes: Complete (new) Honadata v3 S300 unit, with software, & a p28 obd1 ECU (Hondata Unit Preinstalled). FREE Shipping.

Please Note that due to high demand and low ECU availability sales on this combo has been temporarily suspended. We are however still offering the s300 units by themselves with free expedited shipping.

Hondata S300 V3 Package w p72 ECU

Our Hondata S300 package Includes: Complete (new) Honadata v3 S300 unit, with software, & a p72 obd1 ECU (Hondata Unit Preinstalled). FREE Standard Shipping.

Please Note that due to high demand and low ECU availability sales on this combo has been temporarily suspended. We are however still offering the s300 units by themselves with free expedited shipping.

Hondata Clear OBD1 ECU Cover

Hondata 92-95 Honda / Acura OBD1 S300 ECU covers are beautiful and precision machined lids that replace your old worn out ECU cover. Part # Lid-clear-S300

Hondata OBD1 Carbon Fiber ECU Cover Civic/Integra (use with Hondata S300)

Hondata S300 Carbon Fiber ECU cover now available. Pure carbon fiber and precision machined lid that replaces your old worn out ECU cover. Fit most full sized OBD1 Honda ECUs.
**Please Note: Due to the current COVID-19 (Corona virus) pandemic Hondata is affected by the California Stay at Home order. This may effect shipments of Hondata Product until this order is lifted. If you are in urgent need of a Hondata product please contact us for availability. Otherwise we will be shipping Hondata orders as expediently as possible.