Carrier bolt. Front. Left. Right. A Bolt which attaches the door panel Carrier to its mounting point. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the Exhaust Pipe Tip to it's mounting point. Door Interior Trim Panel Bolt. and Washer Assembly. and Washer Assembly - HEX. HEAD. Door Interior Trim Panel. Exhaust duct. Exhaust Tail Pipe Tip.