Stop breathing in bad air and enjoy some fresh air even with an engine on your boat! Exhaust hoses for manifolds direct exhaust gasses away from the driver. In our online shop we have rubber exhaust fittings, exhaust manifold hoses, rubber bushings, exhaust hoses for manifolds etc. Buy the right exhaust hose for your Mercury, Volvo Penta and OMC-Cobra boat engine. Buy exhaust hoses now!