Just fitted an undertray to my curvy see here
http://forums.sv650.org/showthread.php?t=145062
There isnt a tailtidy available for the curvy just an undertray but there is a template for a cut down standard undertray made by org member zunkus on here if you search for it
Edit: added info for template follow the thread here
http://forums.sv650.org/showthread.p...light=template