One problem related to manifold/header/muffler/tail pipe has been reported for the 2004 Ford F-350. The most recently reported issues are listed below.
Tl- the contact owns a 2004 Ford F-350 sd. The contact stated that while traveling various speeds, white smoke emitted from the tail pipe at an alarming rate and acceleration power was lost. The vehicle was not diagnosed or repaired. The manufacturer was contacted about the failure and informed the contact that the vehicle was not included in the manufacturer's recall. The failure mileage was 150,000. Kmj.