An exhaust redirect line in communication with an engine exhaust channel of a marine vehicle receiving exhaust gas. A blower unit in the exhaust redirect line directing the exhaust gas through the exhaust redirect line. A mixing chamber in communication with the exhaust redirect line receiving the engine exhaust gas. An injector unit in communication with the mixing chamber introducing a chemical agent, air and water into the mixing chamber to provide a treated exhaust gas. An output vane disposed on an exterior underside of a hull being in communication with the mixing chamber discharging the treated exhaust gas underneath the hull as a foam, whereby the engine exhaust gas is encapsulated and detoxified by the chemical agent in the foam to prevent the exhaust gas from entering the surrounding water and wherein the foam reduces friction between the hull and the surrounding water to improve engine efficiency.