
Alternatively, could the brake/tail lights be swapped with the rear reflectors thus eliminating the wire flexing altogether?
Yes - I replaced my reflectors with an additional set of brake/tail lights. There's a thread about it somewhere on here. The only issue is running the wires to the reflector's pod. I drilled holes just behind where they are joined together, and ran a black coated wire between them, then sealed the holes with black silicon. You can't see them unless you look very closely.
The reflectors that you pull out could go into the factory brake/tail lights if you wanted to. I prefer the additional visibility of the extra lights.