| I've got Rushjob's old Ducati Performance pipes on my ST2. They were originally on his ST2, then he sold them to Marko, who fitted them to his ST4 with the help of a little judicious stainless steel welding to increase the pipe OD for the ST4, then Marko sold them to me and they were re-welded back down a pipe size to fit my ST2 again. If the pipes are enough of a good deal to add the cost of a tame welder on top anything is possible. | 
Jools
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