Dual 10" Ported Subwoofer Sub Box Enclosure for 2004-2006 GMC/Chevy Crew Cab

Dual 10" Ported Subwoofer Sub Box Enclosure for 2004-2006 GMC/Chevy Crew CabFeatures: 2004-2006 GMC/Chevy Crew Cab Dual 10" Ported Subwoofer Enclosure. RockvilIe REC98Features of Dual 10" Ported Subwo...