O.S. muffler package contains the muffler for the FS-120 is silver in color. Standard surpass style muffler. Threaded exhaust header with retaining nuts. Filed flats for gripping with a wrench. Includes a threaded exhaust header with two retaining nuts (one at each end) header has 45 degree bend at half point.
Length of muffler: 5"
Length of header: 3.0" (total length, across diagonal of bend)
Diameter of muffler: 1.25"
Diameter of exhaust header: .5"
Weight: 94g (3.3 oz)
Manifold/Muffler thread size: M14x.75