We finally have a custom fit enclosure available for the new body style 07-13 Chevy Silverado / GMC Sierra extended cab truck! This dual 10″ enclosure is designed to fit under the rear bench seat and is a down firing model. Why down firing? Not only does it help improve the overall SPL output of the subwoofers but it also keeps the subs out of view for security reasons. This enclosure is compatible with a wide range of sub brands and model but entry level and flat piston subwoofers tend to work best. Our boxes are made from precision cuts of MDF. They are then l