Scuderia Audio presents an upgrade path for the subwoofer located in the passenger side foot well for your Maserati Quattroporte.
Replace your existing Bose speaker with a monster 5 inch Esoteric subwoofer.
Includes a custom 3D printed nylon adapter plate that allows you to bolt the new subwoofer to the Bose speaker box with no modifications of any kind. Also includes a custom cut piece of acoustic dampening material from Black Hole Acoustics. Includes all mounting hardware.
Better bass for your Quattroporte, guaranteed.