Rockville Crew Cab Dual 12″ Vented Ported Subwoofer Sub Box Enclosure for 07-13 GMC/Chevy

Features: 2007-2013 GMC/Chevy Crew Cab Dual 12Vented Ported Subwoofer Sub Box Enclosure 2hole 12Ported for GM/Chevy 2007-2013 Crew Cab Underseat Upfire Finished with Durable Bed Liner 2007- 2013 GM/Chevy Crew Cab Does NOT fit Xcab Mounting Depth: 5.5inches Mounting diameter hole size: 11inches Wood thickness: 5/8inch Air space: 0.77 Cubic feet Material: Highest-grade MDF wood on the market Model # REC56 Features: 2007-2013 GMC/Chevy Crew Cab Dual 12Vented Ported Subwoofer Sub Box Enclosure. 2hole 12Ported for GM/Chevy 2007-2013 Crew Cab. Underseat Upfire. Finished with Durable Bed Liner. 2007- 2013 GM/Chevy Crew Cab Does NOT fit Xcab. Mounting Depth: 5.5inches. Mounting diameter hole size: 11inches. Wood thickness: 5/8inch. Air space: 0.77 Cubic feet. Material: Highest-grade MDF wood on the market.