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The ornamental design for a motorcycle exhaust muffler, as shown and described.
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The article in which the design is embodied comprises a motorcycle muffler intended to be installed as an integral component of a motorcycle as a part of the motorcycle's engine exhaust assembly.
Characteristic features of the article in which the design is embodied comprise conical tapering of a forward end of such article and fins extending radially outwardly from the opposite end of such article.
FIG. 1 is a side elevational view of a motorcycle exhaust muffler, showing my new design;
FIG. 2 is a top plan view thereof; and,
FIG. 3 is a rear elevational view thereof.
The broken lines in the drawings represent environmental structure only and form no part of the claimed design.
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| D420316, | Jul 28 1998 | Excelsior-Henderson Motorcycle Manufacturing Company | Motorcycle muffler |
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