This is a A-1693294M1 Muffler PN: 1693294M1Main Description As Following : A-1693294M1 Muffler P.N: 1693294M1 Dim A (1): A: 2.675" Inlet LengthDim B (2): B: 2.850" Inlet I.D.Dim C (3): C: 24.00" Shell LengthDim D (4): D: 19.25" Outlet LengthDim E (5): E: 2.25" Outlet O.D.Dim F (6): F: 47.00" Overall Length Found in Section & Models : Mufflers/Exhaust Pipes > Mufflers, Massey Ferguson TRACTOR: 298, Massey Ferguson TRACTOR: 698, Massey Ferguson TRACTOR: 699 Associated Items : New Also A-MH-P-MF298, A-MH-S-MF240, A-MH-S-MF670, A-SMMF41, A-MH-S-MF670 And : Dim A (1): A: 2.675" Inlet Length Dim B (2): B: 2.850" Inlet I.D. Dim C (3): C: 24.00" Shell Length Dim D (4): D: 19.25" Outlet Length Dim E (5): E: 2.25" Outlet O.D. Dim F (6): F: 47.00" Overall Length