For motorcyclists there is something very magical about the exhaust note of a V4. Well, thanks to Micah Shoemaker at AF1 Aprilia you can watch and listen to three great V4's on the dyno.
First up is the glorious Ducati Desmosedici
Next up the new Aprilia RSV4
Finally we look at one of the great light weight sport bikes of all time the Honda NC30