Any update? I have a Gen 2 with the standard audio and really want to add a sub. I opted out of the premium audio thinking the in-house made audio would at least be decent, but it's Honda Civic level bad.
EDIT:
I think all the wiring is already ran but would need:
Rivian (actually ARB) air compressor
Compressor gauge/trim
I'm just trying to figure out where the OEM air compressor is mounted. Likely within the lower part of the rear bumper somewhere.
Reviving this thread for potentially...