Throttles spacers are a terrible thing. They screw with the ride by wire setting and starter over time. Every master Ducati tech i’ve talked too has told me this. Bremtune. I’ve used them. Terrible. I track all my bikes - i don’t ride on the street, and see no need for after market ECUs. The stock ECU or the Ducati Akrapovic pipes and tune are more than enough for us mere mortal