Triple Eight have finally uncovered the “significant issue” behind Will Brown’s form woes, pinning his No.888 Ford Mustang’s deficit on an “undersized” engine airflow restrictor provided by Supercars. “At 7pm last night we found a significant issue on car No.888. “Since the start of this season, car No.888 has been running with an undersized engine airflow restrictor. This part manages the airflow into the engine and has a significant negative impact on engine performance, and therefore lap time.” “We as a team are taking responsibility and want to deeply apologise to everyone involved for allowing this to happen.