an exhaust gas pressure reducer for an internal combustion engine which is comprised of a housing having means for attaching the housing to the end of the exhaust pipe . the housing has one or more venturi restrictions and is open at the ends for creating a draft across the end of the exhaust pipe through the venturi and out the opposite open end of the housing . the open exit of the housing reduces pressure at the exit to the venturi assisting drawing exhaust gases from the exhaust pipe .