Originally Posted by Jacques le Roux

Hi, I have just changed from Leo Vince twins to a single Exan silencer. I loved my Leo Vinces (they had DB plates in), def added power to my bike, but a bit louder than the Exan. I still don't understand how the Exan can be so small, light and Quiet! To be fair, I'd be dead happy with either and only changed as I got the Exan for a bargain and saved a (teensy weensy bit of) weight. Either are much better than stock IMHO. On top of that you don't have to change anything further. Just bolt it on and away you go.