Dodge Ram Quad Cab 2002-2011 Dual 10" Subwoofer Enclosure MTX Thunderform Bass Slammer DRQC20C-TN (CHARCOAL) Loaded with 2 10" MTX Subwoofers 2002-2016 Dodge Ram Quad Cab and Crew Cab Does NOT fit Mega Cab For 1994-2001 Models, see part # DRXP20C-T45 Location: Under rear seat. No loss of leg room.