Subaru Upper Engine Cleaner

Subaru Upper Engine Cleaner SA459 contains a powerful foaming agent to effectively clean the induction system and combustion chamber of the engine. Specifically formulated for strong penetrating, dissolving, cleaning and solvent ability helps maintain smooth airflow so that the engine can breathe correctly. SA459 reduces the buildup of deposits such as carbon, varnish, gum etc. in the manifold and combustion chamber, resulting in cleaner exhaust gases. The spray foaming material penetrates into every small part of the system, resulting in easier starting and smoother idling. It reduces pinging caused by hot spots, and is suitable for vehicles with catalytic converters.