The Wynn's Extreme Diesel System Clean is a powerful EGR valve and DPF cleaner that helps with tank clean-up, and safeguards and maintains all types of modern diesel engines. This 325-ml additive cleans the engine’s injectors, turbocharger and fuel pumps. The cleansing and lubricity helps maintain engine efficiency and also helps restore engine performance and combustion. Moreover, the cleaner can be used when repairing tools, pipes, equipment, etc.