Magnum 5.2 & Doug's D453 Header Fitment Issues

mopowers said
Agreed. That driver's mount does looked mashed. After looking at mine, I ended up shimming mine 1/4" on the driver's side and 1/8" on the pass. side.

In his case, I think I would try the truck biscuit mounts. They are a good bit thicker and might solve the issue.