Description Vertical muffler, Oval body. Inlet 2-3/8" I.D., Outlet 2" O.D., 46" overall length. Tractors: Case/IH 485, 585, 685 diesel (1982 & up). This item is a suitable alternative for the following: 83027C1, CA24, CA24MFLR, 3121378R2, A-84755C1, A84755C1