Yes, I didn't want to have to strip it out again.
I used Dodomat materials, 2 packs (1.8m2) Deaden Pro, 2mm thk butyl with black finish, 2 rolls (2.0 m2) of 8mm acoustic liner and a 'speaker enhancer kit' to seal it.
This did the rear arches, front doors, and under the rear seats.
Panels got...