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Oil catch cans are simple devices that can greatly benefit direct-injected engines. They prevent oil and other contaminants from causing buildup inside your engine’s intake manifold. A typical catch can plugs into a hose running from the top of your engine’s crankcase to the intake manifold. This hose relieves pressure in the crankcase generated by blow-by.

This pressure relief hose allows oil and other nasty stuff from the crankcase to get into the intake manifold, where it doesn’t belong. These contaminants can build up inside the intake; when left unchecked, this buildup can hurt fuel economy and horsepower, and can even cause misfires. Check Dooxi oil catch cans to imporve your vehicles performance now!