Valvoline EGR Cleaner is an effective cleaning spray used to dissolve deposits in the exhaust gas recirculation valve, air intake system, and inlet valves. It helps maximise engine efficiency, allowing it to run smoother and more optimally. It is highly beneficial for restoring the airflow to the engine, improving power and acceleration, as well as reducing exhaust smoke. Valvoline EGR Cleaner is designed for professional use only and is a perfect addition to any workshop.