When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I don't know how long you've had your truck or what familiarity you have with Super Duties, but since 2005 the exhaust/ cat cooling makes a hell of a racket. Its so loud that you can even hear it at stop lights. Point is, if its a "pinging" and not "vibrating" or "rattling", its completely normal!
