Discontinued Obsolete SKU | MTX - Serious About Sound®
DUAL SUB BOX for 2003-2006/07 Classic Chevy Silverado 1500 CREW - Sound Off Audio, Inc.
Amazon.com: Dual 10 Subwoofer Box with Amp Space Fits 2007-2013 Silverado/Sierra Regular Cab Trucks : Electronics
Amazon.com: Compatible with Chevy Silverado or GMC Sierra Full Size Extended Cab Truck 2007-2013 Dual 10" Subwoofer Sub Box Speaker Enclosure : Electronics
Rockville Dual 10" Sub Enclosure Box for 07-13 GMC/Chevy Sierra/Silverado Crew
Chevy Silverado Standard Cab Sub Box GMC Sierra Standard Cab Sub
BLACK 12" DUAL PORTED SUB BOX, FITS 07-18 CHEVY SILVERADO EXT-CAB
DEEP Sub box- 2007-2013 Chevy Silverado/GM Sierra Crew Dual Box - Sound Off Audio, Inc.
BLACK 12" DUAL SEALED L7T SUB BOX, FITS 07-13 CHEVY SILVERADO CREW-CAB
Chevy Silverado Extended Cab Sub Box GMC Sierra Extended Cab Sub