heres a link to an ebay auction thats selling the plastic induction piece from a trans am. on those cars the power buldge hood had the rear cowl induction opening. The square opening would fit flush(when hood was closed) on top of the air cleaner unit, in which 2 seperate paper element filters were held(2 since crossfire had dual tbi units.)
http://cgi.ebay.com/ebaymotors/82-83...QQcmdZViewItem