UM31321 Horizontal Muffler---Replaces MF-31

Replaces number 890476M92, 522589M91, 539525M91, 539523M92, MF-31

Fits: MF-230, MF-240, MF-250, MF-245, MF-255, MF-265, MF-275

39" Length
4-1/4" Diameter Shell
Inlet I.D. 1-3/4"
Outlet O.D. 1-3/4"