Horizontal Muffler
CTP182609M91 Replacement Part to Fit:  Massey Ferguson MF50, MH50, F40 gas Round body, 3-1/4" dia., 18-1/2" overall length, 1-15/16" inlet ID, 1-3/8" outlet OD.  Price:  $24.88  Buyers Club Price:  $22.39