Muffler w/Heat Shield. Fits: Most Oliver 1650 & 1655 Diesel, 1750, 1755, 1800, 1850 Gas & Diesel, 1855 Gas. White 2-70 Diesel Tractors. #164080A. 2-15/16" Inlet I.D.  2-1/2" Outlet O.D. - 34" Overall Length.