Ron,This is inside the rear quarters Sound treatment on the OD, Sound treatment on the backside of the ID and I ran a 4" wide strip over the top of the rear wheel wells in this location. (Both sides). I did it in three pieces to make application easier. I don't remember the exact lengths I want to say 12" to 14" long x 2 pieces and at the very top like 5" or 6" long.
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Thanks for the pictures!
Is this under the rear windows or in the back trunk area?