2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure

2014_2018_Gmc_Sierra_Crew_Cab_Truck_12_Dual_Ported_sub_box_Subwoofer_Enclosure_01_wa
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure

2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
SHIPS BETWEEN 2 – 4 DAYS. CUTOUT DIAMETER: 11 1/8. TOTAL AIR VOLUME: 1.38 CUBIC FT. 1 SLOT PORT (DIMENSIONS: H-2 W-4 L-10). MOUNTING DEPTH: 6 1/2. 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 SUB’S. The item “2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure” is in sale since Saturday, September 4, 2021. 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.
  • Number of Ports: Single
  • Model: Gmc Sierra
  • MPN: Does Not Apply
  • Country/Region of Manufacture: United States
  • Fitment: Under Seat
  • Speaker Size: 12″
  • Brand: Ground-shaker

2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure

2014-2018 Gmc Sierra Crew-Cab 10 Dual Ported Vented Sub Box Subwoofer Enclosure

2014_2018_Gmc_Sierra_Crew_Cab_10_Dual_Ported_Vented_Sub_Box_Subwoofer_Enclosure_01_phtu
2014-2018 Gmc Sierra Crew-Cab 10 Dual Ported Vented Sub Box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab 10 Dual Ported Vented Sub Box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab 10 Dual Ported Vented Sub Box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab 10 Dual Ported Vented Sub Box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab 10 Dual Ported Vented Sub Box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab 10 Dual Ported Vented Sub Box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab 10 Dual Ported Vented Sub Box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab 10 Dual Ported Vented Sub Box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab 10 Dual Ported Vented Sub Box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab 10 Dual Ported Vented Sub Box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab 10 Dual Ported Vented Sub Box Subwoofer Enclosure

2014-2018 Gmc Sierra Crew-Cab 10 Dual Ported Vented Sub Box Subwoofer Enclosure
SHIPS BETWEEN 2 – 4 DAYS. CUTOUT DIAMETER: 9 1/4. TOTAL AIR VOLUME: 1.38 CUBIC FT. 1 SLOT PORT (DIMENSIONS: H-2 W-4 L-10). MOUNTING DEPTH: 6 1/2. 5/8 HIGH DENSITY MDF WOOD. + MAINLY SEALED WITH HIGH QUALITY SILICONE +. FITS UNDER REAR SEAT. NOT ALL SUBS 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 “2014-2018 Gmc Sierra Crew-Cab 10 Dual Ported Vented Sub Box Subwoofer Enclosure” is in sale since Friday, September 10, 2021. 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.
  • Number of Ports: Double
  • Model: Gmc Sierra Crew-Cab
  • MPN: Does Not Apply
  • Country/Region of Manufacture: United States
  • Compatible Vehicle Make: GMC
  • Fitment: Under Seat
  • Speaker Size: 10″
  • Brand: Ground-shaker

2014-2018 Gmc Sierra Crew-Cab 10 Dual Ported Vented Sub Box Subwoofer Enclosure

2014-2018 Gmc Sierra Crew-Cab Truck 8 Dual Ported Sub Box Subwoofer Enclosure

2014_2018_Gmc_Sierra_Crew_Cab_Truck_8_Dual_Ported_Sub_Box_Subwoofer_Enclosure_01_nd
2014-2018 Gmc Sierra Crew-Cab Truck 8 Dual Ported Sub Box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 8 Dual Ported Sub Box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 8 Dual Ported Sub Box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 8 Dual Ported Sub Box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 8 Dual Ported Sub Box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 8 Dual Ported Sub Box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 8 Dual Ported Sub Box Subwoofer Enclosure

2014-2018 Gmc Sierra Crew-Cab Truck 8 Dual Ported Sub Box Subwoofer Enclosure
SHIPS BETWEEN 2 – 4 DAYS. CUTOUT DIAMETER: 7 1/8. TOTAL AIR VOLUME: 1.38 CUBIC FT. 1 SLOT PORT (DIMENSIONS: H-2 W-4 L-10). MOUNTING DEPTH: 6 1/2. 5/8 HIGH DENSITY MDF WOOD. + MAINLY SEALED WITH HIGH QUALITY SILICONE +. FITS UNDER REAR SEAT. NOT ALL 8 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. The item “2014-2018 Gmc Sierra Crew-Cab Truck 8 Dual Ported Sub Box Subwoofer Enclosure” is in sale since Thursday, May 27, 2021. 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.
  • Number of Ports: Double
  • Model: Gmc Sierra
  • MPN: Does Not Apply
  • Country/Region of Manufacture: United States
  • Fitment: Under Seat
  • Speaker Size: 8″
  • Brand: Ground-shaker

2014-2018 Gmc Sierra Crew-Cab Truck 8 Dual Ported Sub Box Subwoofer Enclosure

2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure

2014_2018_Gmc_Sierra_Crew_Cab_Truck_12_Dual_Ported_sub_box_Subwoofer_Enclosure_01_qs
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure

2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
SHIPS BETWEEN 2 – 4 DAYS. CUTOUT DIAMETER: 11 1/8. TOTAL AIR VOLUME: 1.38 CUBIC FT. 1 SLOT PORT (DIMENSIONS: H-2 W-4 L-10). MOUNTING DEPTH: 6 1/2. 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 SUB’S. The item “2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure” is in sale since Thursday, May 27, 2021. 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.
  • Number of Ports: Single
  • Model: Gmc Sierra
  • MPN: Does Not Apply
  • Country/Region of Manufacture: United States
  • Fitment: Under Seat
  • Speaker Size: 12″
  • Brand: Ground-shaker

2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure

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  • https://underseatsubwoofer com/2021/08/2014-2018-gmc-sierra-crew-cab-truck-12-dual-ported-sub-box-subwoofer-enclosure-4/

2014-2018 Silverado/Sierra Crew Cab 2×8 Ported Front Fire Lift Kit Subwoofer Box

2014_2018_Silverado_Sierra_Crew_Cab_2x8_Ported_Front_Fire_Lift_Kit_Subwoofer_Box_01_klu
2014-2018 Silverado/Sierra Crew Cab 2x8 Ported Front Fire Lift Kit Subwoofer Box
2014-2018 Silverado/Sierra Crew Cab 2x8 Ported Front Fire Lift Kit Subwoofer Box

2014-2018 Silverado/Sierra Crew Cab 2x8 Ported Front Fire Lift Kit Subwoofer Box
Empty Weight: 45 lbs. 3/4 MDF Construction, Glued and Screwed. Installs under the rear seat A 2.5 Seat Lift is Required for box to fit. Seat lift kit is Not Included with box. Obtain your kit at LMIwelding (Required). Holds Two massive 8 round subs. Volume: 1.05 cu. Ft per sub Slot Ported Design, Tuned to 33 hz. Hole Cutout Size: 7-1/8 custom sizes available. Finish: Tan Carpet as shown other colors available. Now there is a solution for those wanting to get HUGE bass in their trucks. We are offering a new line of boxes that can fit those larger deeper 8 subs that wont fit in other boxes. We are talking about JL Audio 8W7s and Sundown SA 8s, Skar ZVX8s and More. We call these “Lift Kit” Boxes because they doe require lifting the rear seat by 2.5 inches. But by lifting the seat 2.5″ with a custom lift kit from LMI welding, this opens up the under seat area and allows the much needed space for those larger types of 8″ subs. This box comes in a dual slot-ported configuration that will absolutely rock in your truck. Besides being larger than ordinary boxes, our lift kit boxes are built like army tanks. They are built completely from 3/4 MDF and are glued and screwed together, Internally braced and come with a high end push style speaker terminal. That’s what it takes to contain these massive subs and Subthump knows how to deliver. The fit and finish of this box in your truck is excellent and the bass output is intense, making the extra investment is well worth it. The item “2014-2018 Silverado/Sierra Crew Cab 2×8 Ported Front Fire Lift Kit Subwoofer Box” is in sale since Wednesday, June 23, 2021. This item is in the category “Consumer Electronics\Vehicle Electronics & GPS\Car Audio & Video Installation\Speaker/Sub. Enclosures”. The seller is “subthump” and is located in Connersville, Indiana. 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.
  • Number of Ports: Single
  • Model: CRB14-LK 2x8FFP Tan
  • Modified Item: No
  • Compatible Vehicle Make: chevrolet
  • Fitment: Under Seat
  • Custom Bundle: No
  • Speaker Size: 8″
  • Non-Domestic Product: No
  • MPN: CRB14-LK 2x8FFP Tan
  • Brand: Subthump

2014-2018 Silverado/Sierra Crew Cab 2x8 Ported Front Fire Lift Kit Subwoofer Box

2014-2018 Chevy Silverado Crew Cab Truck Sub Box 12 Dual Subwoofer Enclosure

2014_2018_Chevy_Silverado_Crew_Cab_Truck_Sub_Box_12_Dual_Subwoofer_Enclosure_01_prsd
2014-2018 Chevy Silverado Crew Cab Truck Sub Box 12 Dual Subwoofer Enclosure
2014-2018 Chevy Silverado Crew Cab Truck Sub Box 12 Dual Subwoofer Enclosure
2014-2018 Chevy Silverado Crew Cab Truck Sub Box 12 Dual Subwoofer Enclosure
2014-2018 Chevy Silverado Crew Cab Truck Sub Box 12 Dual Subwoofer Enclosure
2014-2018 Chevy Silverado Crew Cab Truck Sub Box 12 Dual Subwoofer Enclosure
2014-2018 Chevy Silverado Crew Cab Truck Sub Box 12 Dual Subwoofer Enclosure
2014-2018 Chevy Silverado Crew Cab Truck Sub Box 12 Dual Subwoofer Enclosure
2014-2018 Chevy Silverado Crew Cab Truck Sub Box 12 Dual Subwoofer Enclosure

2014-2018 Chevy Silverado Crew Cab Truck Sub Box 12 Dual Subwoofer Enclosure
SHIPS BETWEEN 2 – 4 DAYS. CUTOUT DIAMETER: 11 1/8. TOTAL AIR VOLUME: 1.45 CUBIC FT. VOLUME PER SUBWOOFER: 0.73 CUBIC FT. MOUNTING DEPTH: 6 1/2. 5/8 HIGH DENSITY MDF WOOD. + MAINLY SEALED WITH HIGH QUALITY SILICONE +. FITS UNDER REAR SEAT. NOT ALL SUBS 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 “2014-2018 Chevy Silverado Crew Cab Truck Sub Box 12 Dual Subwoofer Enclosure” is in sale since Wednesday, May 26, 2021. 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.
  • Number of Ports: Sealed
  • MPN: Does Not Apply
  • Country/Region of Manufacture: United States
  • Compatible Vehicle Make: Chevrolet
  • Fitment: Under Seat
  • Speaker Size: 12″
  • Brand: Ground-shaker

2014-2018 Chevy Silverado Crew Cab Truck Sub Box 12 Dual Subwoofer Enclosure

2014-2018 Silverado/Sierra Crew Cab 4×8 Front Fire Lift Kit Subwoofer Box

2014_2018_Silverado_Sierra_Crew_Cab_4x8_Front_Fire_Lift_Kit_Subwoofer_Box_01_if
2014-2018 Silverado/Sierra Crew Cab 4x8 Front Fire Lift Kit Subwoofer Box
2014-2018 Silverado/Sierra Crew Cab 4x8 Front Fire Lift Kit Subwoofer Box
2014-2018 Silverado/Sierra Crew Cab 4x8 Front Fire Lift Kit Subwoofer Box
2014-2018 Silverado/Sierra Crew Cab 4x8 Front Fire Lift Kit Subwoofer Box
2014-2018 Silverado/Sierra Crew Cab 4x8 Front Fire Lift Kit Subwoofer Box
2014-2018 Silverado/Sierra Crew Cab 4x8 Front Fire Lift Kit Subwoofer Box

2014-2018 Silverado/Sierra Crew Cab 4x8 Front Fire Lift Kit Subwoofer Box
Empty Weight: 48 lbs. 3/4 MDF Construction, Glued and Screwed. Installs under the rear seat A 2.5 Seat Lift is Required for box to fit. Seat lift kit is Not Included with box. Obtain your kit at LMIwelding (Required). Holds Four massive 8 round subs. Volume: 2.5 Total cu. Per sub Sealed Box. Hole Cutout Size: 7-1/8 custom sizes available upon upgrade. Finish: Black Carpet as shown. Terminals: Two Heavy Duty Push Type. Now there is a solution for those wanting to get HUGE bass in their trucks. We are offering a new line of boxes that can fit those larger deeper 8 subs that wont fit in other boxes. We are talking about JL Audio 8W7s and Sundown SA 8s, Skar ZVX8s and More. We call these “Lift Kit” Boxes because they do require lifting the rear seat by 2.5 inches. But by lifting the seat 2.5″ with a custom lift kit from LMI welding, this opens up the under seat area and allows the much needed space for those larger types of 8″ subs. This box comes in a sealed quad 8 Front Fire configuration that will absolutely rock in your truck. Besides being larger than ordinary boxes, our lift kit boxes are built like army tanks. They are built completely from 3/4 MDF and are glued and screwed together, Internally braced and come with a high end push style speaker terminals. That’s what it takes to contain these massive subs and Subthump knows how to deliver. The fit and finish of this box in your truck is excellent and the bass output is intense, making the extra investment is well worth it. The item “2014-2018 Silverado/Sierra Crew Cab 4×8 Front Fire Lift Kit Subwoofer Box” is in sale since Tuesday, June 22, 2021. This item is in the category “Consumer Electronics\Vehicle Electronics & GPS\Car Audio & Video Installation\Speaker/Sub. Enclosures”. The seller is “subthump” and is located in Connersville, Indiana. 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.
  • Number of Ports: Single
  • Model: CRB14-LK 4x8FF BLK
  • Modified Item: No
  • Compatible Vehicle Make: chevrolet
  • Fitment: Under Seat
  • Custom Bundle: No
  • Speaker Size: 8″
  • Non-Domestic Product: No
  • MPN: CRB14-LK 4x8FF BLK
  • Brand: Subthump

2014-2018 Silverado/Sierra Crew Cab 4x8 Front Fire Lift Kit Subwoofer Box

2014-2018 Chevy Silverado Dual Sub Box For JL AUDIO 12 TW3 Subwoofer Enclosure

2014_2018_Chevy_Silverado_Dual_Sub_Box_For_JL_AUDIO_12_TW3_Subwoofer_Enclosure_01_nay
2014-2018 Chevy Silverado Dual Sub Box For JL AUDIO 12 TW3 Subwoofer Enclosure
2014-2018 Chevy Silverado Dual Sub Box For JL AUDIO 12 TW3 Subwoofer Enclosure
2014-2018 Chevy Silverado Dual Sub Box For JL AUDIO 12 TW3 Subwoofer Enclosure
2014-2018 Chevy Silverado Dual Sub Box For JL AUDIO 12 TW3 Subwoofer Enclosure
2014-2018 Chevy Silverado Dual Sub Box For JL AUDIO 12 TW3 Subwoofer Enclosure
2014-2018 Chevy Silverado Dual Sub Box For JL AUDIO 12 TW3 Subwoofer Enclosure
2014-2018 Chevy Silverado Dual Sub Box For JL AUDIO 12 TW3 Subwoofer Enclosure
2014-2018 Chevy Silverado Dual Sub Box For JL AUDIO 12 TW3 Subwoofer Enclosure
2014-2018 Chevy Silverado Dual Sub Box For JL AUDIO 12 TW3 Subwoofer Enclosure
2014-2018 Chevy Silverado Dual Sub Box For JL AUDIO 12 TW3 Subwoofer Enclosure
2014-2018 Chevy Silverado Dual Sub Box For JL AUDIO 12 TW3 Subwoofer Enclosure
2014-2018 Chevy Silverado Dual Sub Box For JL AUDIO 12 TW3 Subwoofer Enclosure

2014-2018 Chevy Silverado Dual Sub Box For JL AUDIO 12 TW3 Subwoofer Enclosure
THANK YOU FOR YOUR PATIENCE. CUTOUT DIAMETER: 11 5/8. TOTAL AIR VOLUME: 1.28 CUBIC FT. VOLUME PER SUBWOOFER: 0.64 CUBIC FT. MOUNTING DEPTH: 3 3/4. 5/8 HIGH DENSITY MDF WOOD. + MAINLY SEALED WITH HIGH QUALITY SILICONE +. FITS UNDER REAR SEAT. NOT ALL SUBS 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 “2014-2018 Chevy Silverado Dual Sub Box For JL AUDIO 12 TW3 Subwoofer Enclosure” is in sale since Saturday, January 30, 2021. 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.
  • Number of Ports: Sealed
  • MPN: Does Not Apply
  • Country/Region of Manufacture: United States
  • Compatible Vehicle Make: Chevrolet
  • Fitment: Under Seat
  • Speaker Size: 12″
  • Brand: Ground-shaker

2014-2018 Chevy Silverado Dual Sub Box For JL AUDIO 12 TW3 Subwoofer Enclosure

2014-2018 Chevy Silverado Crew-Cab 12 Dual Ported Sub Box Subwoofer Enclosure

2014_2018_Chevy_Silverado_Crew_Cab_12_Dual_Ported_Sub_Box_Subwoofer_Enclosure_01_ltf
2014-2018 Chevy Silverado Crew-Cab 12 Dual Ported Sub Box Subwoofer Enclosure
2014-2018 Chevy Silverado Crew-Cab 12 Dual Ported Sub Box Subwoofer Enclosure
2014-2018 Chevy Silverado Crew-Cab 12 Dual Ported Sub Box Subwoofer Enclosure
2014-2018 Chevy Silverado Crew-Cab 12 Dual Ported Sub Box Subwoofer Enclosure
2014-2018 Chevy Silverado Crew-Cab 12 Dual Ported Sub Box Subwoofer Enclosure
2014-2018 Chevy Silverado Crew-Cab 12 Dual Ported Sub Box Subwoofer Enclosure
2014-2018 Chevy Silverado Crew-Cab 12 Dual Ported Sub Box Subwoofer Enclosure
2014-2018 Chevy Silverado Crew-Cab 12 Dual Ported Sub Box Subwoofer Enclosure
2014-2018 Chevy Silverado Crew-Cab 12 Dual Ported Sub Box Subwoofer Enclosure
2014-2018 Chevy Silverado Crew-Cab 12 Dual Ported Sub Box Subwoofer Enclosure
2014-2018 Chevy Silverado Crew-Cab 12 Dual Ported Sub Box Subwoofer Enclosure

2014-2018 Chevy Silverado Crew-Cab 12 Dual Ported Sub Box Subwoofer Enclosure
THANK YOU FOR YOUR PATIENCE. CUTOUT DIAMETER: 11 1/8. TOTAL AIR VOLUME: 1.38 CUBIC FT. 1 SLOT PORT (DIMENSIONS: H-2 W-4 L-10). MOUNTING DEPTH: 6 1/2. 5/8 HIGH DENSITY MDF WOOD. + MAINLY SEALED WITH HIGH QUALITY SILICONE +. FITS UNDER REAR SEAT. NOT ALL SUBS 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 “2014-2018 Chevy Silverado Crew-Cab 12 Dual Ported Sub Box Subwoofer Enclosure” is in sale since Saturday, January 30, 2021. 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.
  • Number of Ports: Double
  • MPN: Does Not Apply
  • Country/Region of Manufacture: United States
  • Compatible Vehicle Make: Chevrolet
  • Fitment: Under Seat
  • Speaker Size: 12″
  • Brand: Ground-shaker

2014-2018 Chevy Silverado Crew-Cab 12 Dual Ported Sub Box Subwoofer Enclosure

2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure

2014_2018_Gmc_Sierra_Crew_Cab_Truck_12_Dual_Ported_sub_box_Subwoofer_Enclosure_01_fw
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure

2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure
CUTOUT DIAMETER: 11 1/8. TOTAL AIR VOLUME: 1.38 CUBIC FT. 1 SLOT PORT (DIMENSIONS: H-2 W-4 L-10). MOUNTING DEPTH: 6 1/2. 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 SUB’S. The item “2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure” is in sale since Saturday, January 30, 2021. 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.
  • Number of Ports: Double
  • MPN: Does Not Apply
  • Country/Region of Manufacture: United States
  • Fitment: Under Seat
  • Speaker Size: 12″
  • Brand: Ground-shaker

2014-2018 Gmc Sierra Crew-Cab Truck 12 Dual Ported sub box Subwoofer Enclosure