that looks sick! carbon fiber would be awesome though, it woulda matched the hood. ive seen DIYs on making carbon stuff, that seems like it would be simple.
i went and found some carbon fiber DIYs:
DIY Carbon Fiber Splitter/Diffuser/Cow Catcher
DIY: Carbon Fibre (Lots of Pics) - The Unofficial BMW M5 Messageboard (m5board.com)