The Subaru / Robin 20B-65001-30 Throttle Body / ECU is an engine control component associated with compatible EX40 engines. The throttle body manages airflow entering the engine in response to throttle input, while the ECU supports electronic engine management where applicable. Together, these functions help regulate engine operation and response. This assembly is intended for the spe... https://www.wholetoolbox.com/subaru-robin-20b-65001-30-throttle-body-ecu-ex40-c-c/20B-65001-30.html