I asked my dealership the price on a few items, and here's the prices that were emailed back to me...
Hey Rich, i have some info for you. None of the prices include installation as some of them don't need it.
box/cargo carrier: $129
taillight guards: n/a
Sirius: 200 plus for some components and $250 for set up plus install cost. 1 year membership free is not with us.
front air deflector: $93