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SuperTrapp 310-0400 Universal 3M Steel Dirtbike 4-Stroke Core Kit
P/N 310-04004-Stroke core kit for use with all 3M Steel Dirtbike muffler bodies.
Core and muffler body sold seperately
4-Stroke core kit for use with all 3M Steel Dirtbike muffler bodies.
Core and muffler body sold seperately