Did he check to see if the catalytic converter or resinator are in good condition? Many times the insides will come loose and they will rattle inside.
I wish I could hear it. I could tell you in a second. Try this. Take a rubber mallot and tap on the exhaust system to see if you can recreate the sound.
Let me know what you find.
Wednesday, September 1st, 2010 AT 12:04 PM