MUFFLER 

Muffler	Product Code: 7-03680 Price: Check Latest 7-03680 MUFFLER Replaces: Kohler 237550 Cub Cadet 393840-R91 Fits models K241, K301, K321 (7, 10, 12 HP) 3 1/2 OD 1 3/8 ID (inlet) 1.332 Hole size 16 1/8 Overall length 11 3/4 Canister length