*This offer is for customers which already have a Hondata s100 or s200 system which would like to upgrade to s300.
Hondata is offering an upgrade from a S100, S200 or staged system (must be OBD1) to a S300.
The customer must mail in their obd1 ecu with their older Hondata s100 or s200 system for the upgrade. The ecu & Hondata system must be in working order.