Audio Enhancers AV96DC12 Designed for 2002-2013 Avalanche or Escalade Custom Fit Subwoofer Enclosure Designed for 2002-2013 Avalanche or Escalade 2 -12" 0.96 Total cu.ft / 0.48 Per Sub and 4 13/16" Mounting Depth Height 5 1/8" x Width 48" x Top Depth 16 1/2" x Bottom Depth 16 1/2" See Installation Comments Under Product Description 100% American Made & 100% Green