Interesting. .two local dealers here California have them in stock. They cost $250 ish. . I haven't personally seen themI don't believe even the KTM one will fit US models. I see it listed in the power parts catalog but the one I was given says 2013 on it, so I assume that it doesn't... given the US model wasn't released until 2015.
Evotech is finally offering a fender eliminator for the 2013+ North American version of the Duke 390. The kit comes with a new Euro style tail light so you don't have to source one separately. Just ordered one...will post up once it arrives and is installed. Cost about $180 including international shipping.Tail Tidy for KTM 390 Duke - Evotech Performance