UF31700 Oval Vertical Muffler---Replaces E4NN5230GB

Replaces numbers E4NN5230GB and FO-28

Fits: 2910, 3910, 4110, 4610, 4000, 5000, 4600, 5600, 6600, 6700

This muffler has a longer oval muffler shell and a curved pipe at the top

41 inches long
Oval shell
Inlet ID 1-7/8 inch
Outlet OD 1-7/8 inch