Adding bass to a truck can be a very complicated problem to tackle, especially when building a box! We offer pre-built enclosures that are ready to be dropped into your 2004-2013 Ford F250 Super Duty Crew Cab that offers unbeatable performance and sound quality that simply cannot be matched. This is a dual 12" enclosure installs behind the rear seat and fires forward. 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 2004-2013 Ford F250 Super Duty Crew Cab 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. PREMIUM CRAFTSMANSHIP: The ASC FTB2X12-250-350-NEWPW is constructed with the highest-grade materials, ensuring durability and long-lasting performance. Its robust build can withstand the demands of daily use and provide reliable protection for your subwoofers. Its sturdy construction not only protects your valuable subwoofers but also enhances their overall performance. ENHANCED SOUND EXPERIENCE: Elevate your audio experience with this enclosure, which is designed to optimize sound quality in your Ford F250 Super Crew Truck. The carefully engineered design enhances bass response, allowing you to enjoy deep, impactful lows that enhance your overall listening experience. CUSTOM FIT: The FTB2X12-250-350-NEWPW enclosure is precisely designed to fit the Super Crew cabin of 2001-2014 Ford F250 trucks. It maximizes available space while maintaining a factory-like appearance. Its dimensions are tailored to make the most of available space while delivering exceptional bass performance. It ensures that your subwoofers integrate seamlessly into your vehicle's interior. DIMENSIONS: Width 55" x Height 16-1/4"" x Top Depth 3" x Bottom Depth 6" ADDITIONAL ITEM SPECS: Mounting Depth of 4.25" making it compatible with the majority of 12-inch subwoofers and a total Air Space of 0.65 Cubic Feet for increased output