Amazon.com: ASC AV/ESC2X12B-SEAT Compatible with Chevy Avalanche 2002-Up Dual 12" Sub Enclosure Box and Kicker 43CVT124 CompVT CVT12 Series Sub 400W RMS 4 Ohm SVC Car Subwoofer : Electronics
JL Audio 2002-2013 Chevrolet Avalanche & 2002-2009 Cadillac Escalade Subwoofer Stealthbox | Audio Express | Western United States