The Rywire chassis-specific adapter for 1990–1991 Honda Civic and CRX DX/STD (US model only) is engineered to connect those factory chassis harnesses to an AEM Infinity system. Specified for US-market DX/STD models in the listed years, it provides a vehicle-focused plug to streamline ECU integration and avoid wholesale wiring changes during installation.
Rywire 90-91 Honda Civic/CRX DX/STD Chassis Specific Adapter for AEM Infinity (US Model Only)