6.1 Hemi 69 Barracuda Fastback Father Son Project

I see the pipe plug fitting locations I remember on the right side of your picture. Looks like Chrysler used one of the ports for a pressure sensor. The 5.7 I worked on had plugs in both holes.View attachment 1715121529

Thanks.
I think this is what you are describing. From Mancini's web site.
biscuit-style-engine-mounts-71.jpg

Modified rubber insulator.

biscuit-style-engine-mounts-67.jpg

Prefer not to run a remote filter... Not that big a deal, just a preference.
Definitely more work but when you want it the way you want it...