The Gasket,muffler Cover (mca) is the most widely applied product in the EL250B3 ELIMINATOR 1989 SWITZERLAND FG MUFFLER(S) ( four times ).
The Bolt-flanged is the cheapest item from this partsfiche.
Some items from this specific schematic: Bolt-flanged, Clamp,52mm, Bolt,flanged,10x25, Cover-exhaust Pipe.