Eventuri Audi B9 RS4 / RS5 Black Carbon Intake SystemThe Eventuri Audi B9 RS4 RS5 Black Carbon Intake System is a complete re engineering of the factory airbox and inlet tract, developed to deliver less restrictive airflow to the turbocharger while maintaining consistently low intake air temperatures. In the heat sensitive RS4 and RS5 engine bay, simply increasing airflow with an open system leads to power robbing heat soak. Eventuris sealed carbon architecture solves this by combining higher flow