This is a A-393840R91 Muffler PN: 393840R91Main Description As Following : A-393840R91 Muffler P.N: 393840R91 Horizontal / Round Body - 3 1/4" Shell DiameterDim A (1): A: 1 3/4" INLET LENGTHDim B (2): B: 1 5/16" INLET I.D.Dim C (3): C: 12 1/2" SHELL LENGTHDim D (4): D: 2 1/2" OUTLET LENGTHDim E (5): E: 1 5/16" OUTLET O.D.Dim F (6): F: 15" OVERALL LENGTH Crosses To: B1IH91 MTD/ CUB CADET/ WHITE , Replaces: PM14472T JOHN DEERE , 14472T NELSON GLOBAL PRODUCTS , Crossed From: IH-20 STANLEY MUFFLER , 1717-3426 , Found in Section & Models : Mufflers/Exhaust Pipes > Mufflers, Case-IH MOWER, RIDING: 102 CUB CADET (W/ KOHLER 10 & 12 HP 1 CYLINDER ENGINE), Case-IH MOWER, RIDING: 104 CUB CADET (W/ KOHLER 10 & 12 HP 1 CYLINDER ENGINE), Case-IH MOWER, RIDING: 105 CUB CADET (W/ KOHLER 10 & 12 HP 1 CYLINDER ENGINE), Case-IH MOWER, RIDING: 106 CUB CADET (W/ KOHLER 10 & 12 HP 1 CYLINDER ENGINE), Case-IH MOWER, RIDING: 107 CUB CADET (W/ KOHLER 10 & 12 HP 1 CYLINDER ENGINE), Case-IH MOWER, RIDING: 122 CUB CADET (W/ KOHLER 10 & 12 HP 1 CYLINDER ENGINE), Case-IH MOWER, RIDING: 123 CUB CADET (W/ KOHLER 10 & 12 HP 1 CYLINDER ENGINE), Case-IH MOWER, RIDING: 125 CUB CADET (W/ KOHLER 10 & 12 HP 1 CYLINDER ENGINE), Case-IH MOWER, RIDING: 126 CUB CADET (W/ KOHLER 10 & 12 HP 1 CYLINDER ENGINE), Case-IH MOWER, RIDING: 127 CUB CADET (W/ KOHLER 10 & 12 HP 1 CYLINDER ENGINE) Associated Items : New Also A-IH-O-CC71102, A-IH-P-CCAD71, A-IH-S-CUBCAD71, A-IH-O-CC72, A-IH-P-CCAD72, A-IH-S-CUB72ETC, A-IH-O-CC72, A-IH-P-CCAD72, A-IH-S-CUB72ETC, A-IH-O-CCAD73, A-IH-P-CCAD73, A-IH-S-CUB73, A-CA-P-107, A-IH-O-CCAD73, A-IH-P-CCAD73, A-IH-S-CUB73, A-IH-O-CC71102, A-IH-P-CCAD71, A-IH-S-CUBCAD71, A-IH-P-CCAD71 And : Horizontal / Round Body - 3 1/4" Shell Diameter Dim A (1): A: 1 3/4" INLET LENGTH Dim B (2): B: 1 5/16" INLET I.D. Dim C (3): C: 12 1/2" SHELL LENGTH Dim D (4): D: 2 1/2" OUTLET LENGTH Dim E (5): E: 1 5/16" OUTLET O.D. Dim F (6): F: 15" OVERALL LENGTH