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![[Linked Image]](https://www.tm-img.com/images/2020/10/03/F04F2F27-828B-4E2B-9BBF-4EF7F40894E4.jpg)
Judging by the sag I suspect these might benefit from 2 mounting bolts through the floor.
Did you have reinforcing plates on the inside panels? I wonder if an extension to the G56 mounts to use the 4th / later mount hole for the default exhausts would help, but not likely to be as reinforcing as your solution! Well done!