Tailpipes out the back will help a bunch. What do you have for motor mounts, is it a solid driver's side mount?

You can consider a pair of resonators as well.

Which 6th gear do you have, the 0.50?

1972 Barracuda - 5.7L Hemi, T56 Magnum 6spd - https://www.facebook.com/GoodysGotaHemi
2020 RAM 1500
[img]https://i.imgur.com/v9yezP9.jpg[/img]