Qpower Gmc/chevy Extended Cab (high Transmission) '07-'13 Dual 12" Empty Woofer Box

GMC/Chevy EXTENDED CAB TRUCKS: 2007 - 2013
DUAL 12"e; UNDERSEAT DOWN-FIRING BOX - SEPARATE CHAMBERS
GRADE A - 5/8” MDF CONSTRUCTION
CHARCOAL CARPET COVERING
Terminal Cup Connectors

(W x H x TD / BD): 55? x 13? x 5-1/8? / 9-1/4?
BOTTOM HAS CENTER RAISED AREA FOR TRANSMISSION HUMP
WOOFER MOUNTING DEPTH: 5.5"e;
Volume (Sub): 0.8 CU. FT. PER SUB

Does NOT fit Crew Cab