exhaust question
#1
exhaust question
i have a 99 f-250 5.4. i have been hearing a knock at start-up.the longer it runs the quieter it gets.once the engine is warm you cant hear anything but an exaust leak going down the road.after i put my new flowmaster cat-back on the other weekend i was lookin and saw the top rear exhaust manifold stud on the passenger side was broke off with about 1/8 off an inch sticking out above the manifold yet.would that one stud being gone create that much noise when its cold?
also what are the odds of getting that one out without messing with the other seven?
thanks for the help
also what are the odds of getting that one out without messing with the other seven?
thanks for the help
#2