Upgrade your Silverado or Sierra Double Cab with the NVX VE-GM-SLVDCG3-D12S Custom Fit Dual 12" Sealed Up-Firing Subwoofer Enclosure. Precision-engineered using CNC technology, this enclosure is crafted from high-quality 3/4" MDF for superior sound performance and long-lasting durability. The up-firing design enhances bass response while protecting your subwoofers from potential damage. Designed for a perfect under-seat fit, this enclosure provides 1.25 cubic feet of internal volume, ensuring powerful and accurate bass output. The premium carpeted finish seamlessly blends with your vehicle's interior for a factory-like appearance. If you're looking for a space-efficient, high-performance subwoofer box, this NVX enclosure is the ultimate choice for your Silverado or Sierra Double Cab. Generic Keywords: Chevy Silverado subwoofer box, GMC Sierra sub box, 12-inch subwoofer enclosure, up-firing sub box, NVX subwoofer enclosure, Silverado Double Cab sub box, Sierra Double Cab subwoofer, MDF sealed sub box, custom-fit truck subwoofer, Silverado audio upgrade, GMC Sierra bass system, premium truck subwoofer box, Silverado 1500 sub box, Sierra 2500 subwoofer enclosure, dual 12-inch sub box for trucks. This listing is optimized for SEO and Amazon guidelines, ensuring high searchability and conversion-friendly content. Let me know if you need adjustments!