Q Power QBDODGE12 4DR Dual 12" Subwoofer Enclosure for Dodge Quad Cab 2002-2016 with Sprayliner Finish Dual 12" Subwoofer Enclosure for Dodge Quad Cab 2002-2016 Underseat Upfire Finished with Durable Bed Liner 2002- Current Dodge Quad Cab, Does NOT fit Mega Cab Air Space: 0.65 Cubic Feet (per sub)