How does one go about straightening the stock boxes?
You will need to tap and pry and beat them back in shape of they are really damaged. If the seams are just starting to pull away you can actually install the kit to help get them back in shape then tack weld the seam, then go back and stitch the entire seam. If the mounting holes are damaged you can weld a washer to the frame side but you need to make sure the bolts are parallel to the frame and perpendicular.
The best thing to do is take care of the issue before it becomes a major problem. I installed all new tq boxes from wild rides in a customers car and it was quite the task.
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