There are several CAIs in the market already. Same of exhaust systems and suspension. I haven't come across after-market hood yet but likely they are out there. And as far as I know, only the GMPP Ground Effects package is available for now. I would love to have an after-market rear diffuser in Carbon Fiber, with the round exhaust exits, not square like the GMPP kit.
As far as links and pics, please visit the
http://www.camaro5.com/forums/forumdisplay.php?f=72