This is a A-525196M1 Muffler PN: 525196M1Main Description As Following : A-525196M1 Muffler P.N: 525196M1 Vertical / Round Body - 9" Shell Diameter. Muffler Has DualInletsDim A (1): A: 2 3/4" INLET LENGTHDim B (2): B: 2 1/2" INLET I.D.Dim C (3): C: 36" SHELL LENGTHDim D (4): D: 3" OUTLET LENGTHDim E (5): E: 3" OUTLET O.D.Dim F (6): F: 41" OVERALL LENGTH Crossed From: MF-33 STANLEY MUFFLER Found in Section & Models : Mufflers/Exhaust Pipes > Mufflers, Massey Ferguson TRACTOR: 1500 (LATE MODEL W/ CAT. DIESEL ENGINE), Massey Ferguson TRACTOR: 1505 (W/ CAT. DIESEL ENGINE), Massey Ferguson TRACTOR: 1800 (LATE MODEL W/ CAT. DIESEL ENGINE), Massey Ferguson TRACTOR: 1805 (W/ CAT. DIESEL ENGINE) Associated Items : A-CL212, A-RC4 Also This is An Aftermarket Product And : Vertical / Round Body - 9" Shell Diameter. Muffler Has DualInlets Dim A (1): A: 2 3/4" INLET LENGTH Dim B (2): B: 2 1/2" INLET I.D. Dim C (3): C: 36" SHELL LENGTH Dim D (4): D: 3" OUTLET LENGTH Dim E (5): E: 3" OUTLET O.D. Dim F (6): F: 41" OVERALL LENGTH