Muffler / Gravely 018543Pack Size:1Gravely 018543Edgewater 433105, ESF 157-210, Foley/Belsaw 5978651, Foley/PLP 157-210, Green Meadow GM210, NHC 255-4297, Oregon 35-543, Prime Line 7-03679, Quality 440034, Rotary 2286, Sunbelt SB-2286, Sunbelt B1SB2286Gravely Garden tractors; for 12 thru 16 HP enginesID: 1 5/16 " INLET, OD: 3 1/2 ", Length: 8 ", 1 1/4" ID outlet