C7NN5230JM Years: 1964 & Up Round Muffler, Aluminized. Inlet 1-7/8" I.D. Outlet 2" O.D., 29" Overall Length. For Gas & Diesel Engines. Tractors: 2000, 3000, 4000, 5000 (1965 & Up). Must Use Inlet Adapter Pipe D0NN5B255C or D. Can Replace Oval Mufflers C4NN5230AR, C7NN5230E, C7NN5230AS, C7NN5230AC.
