The Ground Shaker GS-QDG212B is a premium custom-fit dual 12-inch ported subwoofer enclosure designed specifically for select Quad Cab Dodge Ram trucks. Engineered for maximum low-frequency output and clean OEM-style fitment, this enclosure delivers deep, powerful bass while maintaining valuable cabin space behind the rear seat. Built from durable MDF wood and wrapped in a rugged black trunk liner finish, the GS-QDG212B features a high-output vented design optimized for louder, lower bass response and improved airflow. Perfect for daily bass systems, demo builds, and serious truck audio upgrades. Features Custom-fit design for Dodge Ram Quad Cab trucks Dual 12-inch ported subwoofer enclosure High-output vented design Behind-seat installation Durable black trunk liner finish Premium MDF wood construction Optimized port tuning for deep bass response Heavy-duty terminal connections OEM-style fit and appearance Designed for maximum low-frequency output Specifications Subwoofer Size: Dual 12” Enclosure Type: Ported / Vented Configuration: Behind-seat truck enclosure Construction Material: MDF Wood Finish: Black Trunk Liner Carpet Mounting Location: Behind Rear Seat Chamber Design: Shared Ported Chamber Vehicle Compatibility: Select Dodge Ram Quad Cab Trucks Installation Notes Designed for behind-seat installation Some seat spacing modifications may be required depending on subwoofer depth Some oversized subwoofer baskets or magnets may not fit Professional installation recommended