No, they are not only for Monsters! You can fit them on any air-cooled injected model.
On ducati.ms I've seen quite a few air-cooled bikes with them: HM, SC, even a Multistrada! I haven't seen them yet on a SS though.
I've heard a lot of people using them on HMs and SCs because these have the smalest airboxes among the Ducati line. On the other hand, the SS has probably the bigest and less restricted airbox compared to the other bikes, so maybe that's why I haven't heard of any SS with TPOs.
Depending on your team's budget, you could always buy a pair and try them on your race bike, and in case they are not any better than an open air-box, you could sell them.
I did think about using them for 2-3 reasons: 1)performance (although not so sure about performance gains compared to the open airbox), 2)weight and 3)cleaning up the area under the tank --> more air for the rear cylinder.
However, I've decided not to because of: 1)their price
2)performance gains?? worth the money?? (see above) 3)they probably make more noise than the already loud open airbox (not good for long rides) 4)I don't like the idea of not having the crankcase breather connected to the airbox
Maybe I'm wrong but unless I see some results on another SS, I don't think I'll pay all that money they cost (plus the money for a new dyno+map) just to try them, hoping that the gains are that good (for a bike used mainly on the road)
I've attached some photos from a HM
