One New Aftermarket Replacement Muffler That Fits Massey Ferguson Tractor Models: TE20, TO20, TO30 2 Piece Vertical Muffler Dimensions: Inlet ID: Bell Face, Outlet OD: 1-1/2″, Overall Length: 48″ Dimensions with Stanley Part Number: Inlet Length: 17-1/2″, Inlet ID: Bell Face, Body Length: 10-1/2″ Outlet Length: 4″, Outlet OD: 1-1/2″, O/A Length: 48″ Replaces Part Number: MF1810, MF-18, MF18 Models This part fits: TE20, TO20, TO30 Reference Numbers: A-MF1810, A-MF1810-A, MF-18, MF1810