THANK YOU FOR YOUR PATIENCE. CUTOUT DIAMETER: 7 1/8. TOTAL AIR VOLUME: 1.54 CUBIC FT. VOLUME PER SUBWOOFER: 0.77 CUBIC FT. MOUNTING DEPTH: 6 1/4. TOP DEPTH: 16 3/4. BOTTOM DEPTH: 17 1/4. 5/8 HIGH DENSITY MDF WOOD. + MAINLY SEALED WITH HIGH QUALITY SILICONE +. FITS UNDER REAR SEAT. NOT ALL SUB’S WILL FIT DUE TO THE CUTOUT DIAMETER OR MOUNTING DEPTH SO PLEASE CHECK THE DIMENSIONS TO MAKE SURE THIS BOX SUITS YOUR SUBS. The item “2008 2009 2010 2011 2012 Chevy Silverado Crew Cab Sub Box 8 Subwoofer Enclosure” is in sale since Wednesday, November 6, 2019. This item is in the category “Consumer Electronics\Vehicle Electronics & GPS\Car Audio & Video Installation\Speaker/Sub. Enclosures”. The seller is “online-ground-shaker” and is located in Los Angeles, California. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Viet nam.

• Number of Ports: Sealed
• Country/Region of Manufacture: United States
• MPN: Does Not Apply
• Fitment: Under Seat
• Speaker Size: 8″
• Brand: Ground-shaker