You can switch to the '11 style plastics fairly easy as the mounting points and seat are physically the same. You can get a kit from Motocrosscenter.com with the air box inlet and then buy the headlight lens and it's mounting kit separately. They have several options available:
https://www.motocrosscenter.com/shop...-with-stickers
BTW, I have ordered from them many times without issue. Matter of fact, most of the parts on my '11, including the plastics/graphics, came from there.