speaker enclosure

Hi everyone, I am thinking of adding some rear speakers to my 2021 T6.1. I have run the wires in and down the a pillar and tucked them inside the back of the glovebox at the moment. I was thinking of building a box that sits just inside the tailgate and runs the full width of the van and screws...

We have been manufacturing underseat enclosure for Transporters for years, based on a JL Audio 10" sub We are also about to do a active one Many on here are running one...