Look at the scoop on the Callaway cars, also someone on the BB did a CF version of it that looked pretty tasteful too, he said he would sell them, but have not heard much more.
I think other than the NASCAR sticker package an the East LA hood scoop, not a bad example, not sure I would take them at their word it is rust free given the rust on the hose clamps, but as long as it is not terminal, it could be a good example.