THANK YOU FOR YOUR PATIENCE. BLACK 12 DUAL PORTED SUB BOX, FITS CHEVY SILVERADO & GMC SIERRA EXT-CAB 99-06 & 07 CLASSIC. CUTOUT DIAMETER: 11 1/8. 2 SLOT PORT (DIMENSIONS: H-1 1/2 W-3 1/2 L-11 1/2). TOTAL AIR VOLUME: 1.62 CUBIC FT. VOLUME PER SUBWOOFER: 0.81 CUBIC FT. MOUNTING DEPTH: 6 3/4. 5/8 HIGH DENSITY MDF WOOD. + MAINLY SEALED WITH HIGH QUALITY SILICONE +. FITS UNDER REAR SEAT. 2007 FITS ONLY OLD BODY STYLE. NOT ALL 12 SUB’S WILL FIT DUE TO THE CUTOUT DIAMETER OR MOUNTING DEPTH SO PLEASE CHECK THE DIMENSIONS TO MAKE SURE THIS BOX SUITS YOUR SUB’S. WILL NOT FIT TRUCKS WITH V SHAPE HUMP (USE JCHV MODEL BOX FOR V SHAPE HUMP). The item “Chevy Silverado & Gmc Sierra Extended cab 12 Ported Sub woofer Box + Amp kit” is in sale since Wednesday, December 16, 2020. 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, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, 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.
- MPN: Does Not Apply
- Country/Region of Manufacture: United States
- Fitment: Under Seat
- Speaker Size: 12″
- Brand: Ground-shaker