Hello all and thank you ahead of time for any help you can provide. I have a 2006 Maxima SL with 35,000 Miles. The car has been making this sound since I got it at 21,500 miles. It’s a metallic clatter sound when revving the engine or driving. From what I can tell all the hearshield mounts are intact and tight. this is a video I recorded of the sound. Hopefully you can hear it.