atrend-bbox a131-10cpv b box series subwoofer boxes for gm vehicles 10 single down-fire
mdf construction .75 speaker baffles completely carpeted enclosure with rounded edges custom built for under seat application screwed down terminal cups completely glued amp braced 10 single down-fire fits 2007 amp up gm extended cab vented amp new body style chevrolet silverado or gm sierra