2002-2016 Chevy Avalanche or Cadillac EXT Ported Sub Box 2x12 | Rhino Bass Box
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