I came in a bit late but on mine i drilled out all the spot welds and removed the old panel.
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I then got hold of a rear cut for $100. I then drilled it out and reattached to the van.
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The biggest advantage I found over replacement panels was that I found that it gave me extra panels for repairs behind the wheel arch.
I also like the fact that I could keep the factory weld, I just cant bring myself to weld that bad.