Just finished installing an Akrapovic exhaust on my Aprilia Dorsoduro. Also installed an DNA airfilter, Leo Vince de-kat and a Memjet. I'm really happy with the improvement overall, not a huge power increase but it really seems to run smoother and pull thru the midrange better. I was also interested in the weight loss I would achieve by going with the Akra/Leo Vince combo, the stock muffler is HEAVY!! Of course the sound is wonderful.
Aprilia, Dorsoduro, SMV-750, Akrapovic, Memjet, Leo, Vince