The carbon fiber intake tube was for S/C'd applications, but IIRC the potential supplier that Tone was dealing with never came through.
See posts 54 & 56 here for a door popper...
http://www.vehicross.info/forums/sho...+popper&page=4
That particular auction has ended, but this is the vendor.
http://myworld.ebay.com/ebaymotors/autopartshaus/