My experience with either of the 2 3m products mentioned is adjusting the air pressure and distance can get the wide globules to somewhat replicate the original tar based undercoating but when you get the width, it's too flat. I use a shutz gun and UPOL bedliner in black. It can give you the body to build and widen the texture, and it comes in quart bottles, but I believe you have to buy a gallon which of course give you 4 bottles. It does cure much harder than the 3m. You could top the UPOL with 3m and get a bit closer to the OEM appearance.
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