Aftermarket Replacement Muffler #18-12771" Can Muffler w/ Female ConnectorReplaces:Ariens: 2033200Briggs & Stratton: 299477, 299477S, 392989, 393232, 393232SGravely: 008227, 21375300, 21457900John Deere: AET10410Kohler: 275679, 275679-STecumseh:32043BDimensionsFits 1" Pipe (Thread 1" Female Connection) Height: 3 1/2" Width: 4 1/2"