We highly recommend the use of an oil inlet restrictor on this turbo. Inlet restrictor: GTOILRESTRICTOR. Horsepower: 300-450, Displacement: 1.8L - 3.0L, Type: wastegated. Turbine inlet flange: 14300, Turbine outlet flange: 14480. Oil drain adapter: 2889, Water cooling kit: GTCOOLKIT. Garrett engine boosting systems performance products are for racing vehicles, not intended to be driven on a public highway. This product is sold "as is" and no warranties are implied or given.