Q Power Dual 10" Sub Box for 2007-2013 Chevy Silverado or GMC Sierra Full Size Extended Cab High Transmission Trucks Dual 10" Custom Fit Truck Subwoofer Enclosure Fits in 2007-2013 Chevy Silverado or GMC Sierra Full Size Extended Cab High Transmission Trucks Finished in Durable Charcoal Carpet Premium MDF Construction Easy Push button Terminal Cups