Roger Clark Motorsport RHD Oil Catch Can OnlyNote: Listing for catch can only. Hose Fittings Hardware not included The RCM Oil Catch Tank manufactured specifically for Impreza Turbos 1992 2000. On a standard engine oil vapours from the crankcase and cylinder heads are usually recycled back through the air intake system. The downside of this is that the intake hoses, turbo, intercooler and connecting pipe work can all see a build up of oil over a period of time which in turn slows air flow,