The issue w/ hyperlinks from the SMF forum is that the xenforo forum uses different patterns for passing parameters.
Specifically the difference can be see in the bolded text below. both are links to the same topic, however how server handles link addresses is completely different. I will see if I can find anything about fixing these, but I expect it will be a manual process.
Xenforo link
nejeep.community.forum/threads/yj-motor-mounts-brown-dog-techtip.34233/
SMF link:
nejeep.community.forum/index.php?topic=34233.0