One New Aftermarket Stainless Steel Replacement Muffler Fits International / FARMALL Tractor Model: Fits Cub (1947-1975 with Vertical Exhaust). Polished Stainless Steel. Baffles Like Original. May discolor (turn blue) from extreme heat, but can be polished again. INLET DIAMETER: 1.340 INLET DIAMETER: 1.450 OUTLET DIAMETER: 1.385 OUTLET PIPE: 1.375 OD X 9.5 LONG BODY: 21 3/4 O/A LONG, 3 DIAMETER X 10.875 LONG INLET PIPE: 1.313 ID X 1 7/8 LONG Replaces Part Numbers: MUK40-0086, 351436R92, 356003R91 Models This Part Fits: 1947 thru 1975 with Vertical Exhaust, Cub Reference Numbers: 351436R92, 351436R92-A, 356003R91, 356003R91-A, MUK40-0086