Yes I redid two different boxes in the last couple years. There's firewall insulation kits and interior kits and cowel insulation available.There's a ton of places that sell it, look for a Moparts sponsor.

When I did the box/car in 05 I reused all the black rubber gaskets and made ones for the doors out of the foil isulation which I used throughout the car too. The second one I did I got 71TAs gaskets(the detailed instructions scared me.lol)
It's a great kit though.

Cowel insulation.