i was on the way to work today and i got there and noticed a rattling sound coming from under my car. it almost sounded like marbles rattling around in my exhaust. its a 94gt with 165K on it. completely stock except for k&n filter, and weld-in flowmaster mufflers. anyone know what this could be?
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1994 Mustang GT, just a few minor appearance mods, engine mostly stock (for now)