I believe this came with my OBX headers. Either that or I ordered it off Summit. Honestly can't remember which. Used for connecting 2.5" exhaust pipe that has one end flanged.
These list on Summit for $14 plus shipping. Yours for $15 shipped. PM for PayPal address please.
http://i40.photobucket.com/albums/e2...e/IMG_3185.jpg
http://i40.photobucket.com/albums/e2...e/IMG_3186.jpg
http://i40.photobucket.com/albums/e2...e/IMG_3187.jpg
