how about out the top of the tail unit as on the 'sedici?
original stylish and very Ducati
if you are talking about the exhaust ? then they don't come out the top on the sedici they come straight out the back like the 916 but it also has some side exhaust which come out the fairing. I would be interested in seeing that. but the problem with the road bike is you have to fit on a road legal exhaust and Cat