_SPL-Boxes
![SPL Boxes SB182-212-BL : Dual 12" Sealed Subwoofer Box, side view.]()
SPL Boxes SB182-212-BL : Dual 12" Sealed Subwoofer Box, 2007-2013 Sierra Silverado (Crew Cab)
Bedliner Finished Dual 12-Inch Sealed Subwoofer-Enclosure for Select 2007-20013 Chevy-Silverado and GMC-Sierra Crew-Cab Pickups
$299.99
