AT21689 Muffler Made for John Deere 350C 350D 301A 302 401B 1020 2030 2040 2240 Dim A (1) A: 3 1/2" INLET LENGTH Dim B (2) B: Flared Inlet 3 1/8" Outside Diameter. Pipe ID is 2 1/2" Dim C (3) C: 19 1/2" SHELL LENGTH Dim D (4) D: 7 3/4" OUTLET LENGTH Dim E (5) E: 2" OUTLET O.D., Dim F (6) F: 30" OVERALL LENGTH