Adding to bass to a regular cab truck can be a real headache! Luckily we have the perfect solution for this problem. This single 10" enclosure will fit into any regular cab truck and is designed to fit directly behind the seat. This is a sealed enclosure designed for sound clarity and the box has enough mounting depth for entry and flat-piston style subwoofer(s). We do recommend purchasing subwoofer grille(s) for this model enclosure to protect your sub(s) from rubbing into the seat. This baby is tough too, 3/4" MDF wood so you know it can take a beating! Our boxes are made from precision cuts of MDF. They are then liquid nailed, nailed and completely sealed. We then wrap them with high quality carpet that matches most vehicle interiors. All Boxes feature high grade spring loaded terminal cup(s) for the absolute best connection possible. All the custom series enclosures are made to fit precisely into your vehicle to the get the max performance from every extra inch of wasted space. We guarantee you will not only see a difference in the quality of the boxes we build, but you will hear the difference and that is what is it is truly all about.