Vertical two-piece exhaust pipe with clamps, less muffler. Use without muffler for straight through design for maximum exhaust flow and more power. Pipe inlet 1-5/8" I.D., outlet 1-3/4" O.D. For 134 CID gas engines. Tractors: NAA, 501, 600, 700, 2000 (4 cyl, 1953-1964). For 172 CID gas engines. Tractors: 800, 900 (1955-1957), 4000 (4 cyl, 1958-1964). -- M105 | Standard Pack -- 1 | INNER DIA. (IN) -- Inlet 1-5/8" I.D.
