Originally Posted by stjbg01
If that were true, wouldn't it make noise when reving while sitting still? When sitting still, I can redline it and it doesn't make that noise. The noise is (IMO) definitely caused by the Jeep moving.
Well, when my muffler weld broke it would only rattle when the engine was under load. When the jeep was moving, the muffler was sliding back and forth at the clamp banging on the broken weld near the 02 sensor. Tough to describe...just check your exhaust and hangers.