Audio Enhancers SGMX65R10 Chevrolet GMC 1500/ 2500HD/ 3500HD Extended Double Cab 2007-2016 Subwoofer Sub Speaker Box Designed for 2007-2016 Chevrolet GMC 1500/ 2500HD/ 3500HD Extended Double Cab Truck Down Firing; Total Air Space 0.65; Mounting Depth 5 3/4"; Raw 1-10" Width 34" x Depth 12 7/8" x Front Height 10 1/4" x Rear Height 6 5/8" See Detail Installation Comments Under Product Description Raw Finish (Uncarpeted) - gives you the option to customized any way that meets your needs, an option at a great price point.100% American Made & 100% Green