Just quitcha hand wringing and take the damn thing off already.
Your bike will be fine.
http://www.ducatisuite.com/emissions.htmlI wonder if this guy has any 19mm, some of these look super trick;
http://www.ebay.com/sch/i.html?_odkw=crankcase+filter+19mm+REUSABLE&_osacat=0&_from=R40&_trksid=p2045573.m570.l1313.TR0.TRC0&_nkw=crankcase+filter+REUSABLE&_sacat=0edit: don't listen to me. I'm one of those jackasses that put the aesthetics of my bike ahead of the utilitarian aspect
provided there is nothing clearly detrimental about it. That being said, this is one of those subjects I stayed up into the wee hours reading Ducati forums and tech articles on, and in the end, the jury is still out on it,but the edge goes to keeping the stock setup intact. In other words, your bike is better off with the stock setup, but the sky isn't going to fall if you don't.
this is a pretty good; "final word" on the subject:
http://www.ducati-upnorth.com/tech/breather.phpI had no choice, because I cut up my airbox when I swapped in a 900ss engine and pod filters. The airbox ventilation was out of the question for me.