This is the S4 Challenge type.
This is for sale if you're interested? It's a genuine Ducati part but needs a minor repair as the mounting lugs on one side are slightly damaged. It should be a fairly easy repair but I never got around to it as I decided I prefer the smaller type that is on the bike.
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Roast Beef Monster!
Termignoni and Bucci - Italian for pipe and slippers!
S4 Fogarty, S4R 07T, 748, Series 1 Mirage