One new aftermarket replacement muffler that fits Ford New Holland 2N, 8N, 9N tractor models. a Vertical/Round Body – 3 1/4″ Shell Diameter. Used to replace the muffler in the FD9010 Vertical Muffler and FD1010 Vertical Muffler Kit. Dimension A(1) A: 2 1/4″ INLET LENGTH Dimension B(2) B: 1 1/2″ INLET DIAMETER INSIDE Dimension C(3) C: 11 1/4″ SHELL LENGTH Dimension D(4) D: 4″ OUTLET LENGTH Dimension E(5) E: 1 1/2″ OUTLET DIAMETER OUTLET Dimension F(6) F: 17″ OVERALL LENGTH Replaces part number FD1110. Reference Numbers: FD1110