I bought some film through them and they were very helpful. I am sure there are others that would be as good. I think Merv used film from a different mob but it is all essentially the same. As I understand it, many of these products are basically a 3M product.
I have mine on the front of the rear wheel arches and it has held up a treat. With no side pipes the area not protected is peppered with stone chips ... and I enjoyed every one of them!!
Geof
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Original? Must be. It's the only one I've ever built.