2014-2017 Chevy Silverado / GMC Sierra Crew Cab Single 10 DownfireSub Box Fits: 2014-2018 GM 4 Door Crew Cab Trucks--Will NOT fit Double Cab Holds One 10" Sub, Fires Down, Mounting Hole 9-1/8" Mounting Depth: 6", 1.75" box to floor clearnace Sealed Volume : .91 cu.ft. Finish: Charcoal Gray Carpet (slightly different than photos), Speaker terminals installed