Muffler For Massey Ferguson Tractor 165 175 180 Others- Mf-23 194431M91 100% new muffler meets OEM quality for tractors and farm equipment 1-year warranty covers you throughout planting and harvesting seasons Factory direct pricing delivers an honest value for hard-earned money Replaces OEM Numbers: Massey Ferguson: 194431M91, 194431M95, 30055E91, 30055V91, 523394M91, MF-23 Specs: Description : Muffler, Inlet Diameter : 2 1/8", Outlet Diameter : 2 1/4", Length : 40", Position : Vertical, Body Style : Round, Material : Aluminum, Clamp : Not Included, Notes : Outlet O.D. Bent Pipe, Inlet Length 10", Outlet Length 13", Shell Length 16-1/2".