Fiberglass wet exhaust muffler is designed to reduce the noise of marine generators or small sailboat engines. 2 in. Vernalift Side In Top Out Muffler | Centek Industries 1500120 Centek Vernalift side in - top out water lift muffler Fiberglass construction For use with 2 in. inside diameter marine exhaust hose 2 in. inlet and outlet 12 in. height 12.34 in. diameter 13 in. square base Ideal for inboard, sailboat and generator applications For use with gasoline or diesel engines For use above or below the waterline Better sound rating Data Sheet