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NVX Empty BOOST Box - 2014-2018 Chevy Silverado, GMC Sierra - VE-GM-SLVDCG3-D12S

For select 2014-2018 Sierra 3500 HD / 1500 / 2500 HD and Silverado 2500 HD / 1500 / 3500 HD Double Cab Trucks - Dual 12" Empty BOOST Up Firing Sealed Truck Enclosure

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• Custom Fit Empty Dual 12" BOOST Sealed Truck Enclosure
• Compatible with select 2014-2018 Sierra 3500 HD / 1500 / 2500 HD and Silverado 2500 HD / 1500 / 3500 HD
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 1.25 cubic feet

See compatible vehicles Learn more about the vegmslvdcg3d12s
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2026-07-27 11:08:20
List price $179.99
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NVX - Worth the Envy - Direct to Consumer Car Audio

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Description


NVX brand icon

Authorized dealer

Product Details:

  • Custom Fit Empty Dual 12" BOOST Sealed Truck Enclosure
  • Compatible with select 2014-2018 Sierra 3500 HD / 1500 / 2500 HD and Silverado 2500 HD / 1500 / 3500 HD
  • Durable 3/4" Medium Density Fiberboard (MDF) construction
  • Precision-engineered using state-of-the-art CNC technology
  • Meticulously hand-assembled to ensure the highest quality
  • Finished with premium carpet for a high-end appearance
  • Loaded enclosure also available here
  • Maximum subwoofer mounting depth: 4"
  • Subwoofer cutout diameter: 11 1/8"
  • Total box volume: 1.25 cubic feet
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Frequently Asked Questions (FAQ)


This dual 12" enclosure is custom-contoured for 2014–2018 Silverado/Sierra Double Cabs. Its down-firing design utilizes 1.4 cu. ft. of optimized airspace under the seat, providing maximum output without sacrificing passenger legroom.
Ensure it is seated flush against the seat riser. To prevent sliding, apply NVX SDRLR20 sound deadening to the floor. This adds a layer of grip and eliminates panel resonance, ensuring the enclosure stays locked in place during driving.
Air is likely escaping from the terminal cup or the sub-mounting flange. Use NVX SBP12 gasket foam tape to ensure a 100% airtight seal. This is critical for maintaining the high pressure needed for deep bass in a sealed enclosure.
Check the internal binding post connections. If you have a factory MyLink or IntelliLink system, use the NVX XPLOC2 Line Output Converter to ensure a clean, strong audio signal is being sent from your factory wires to your amplifier.
In the Silverado, ensure the rear seat is fully clicked down. This enclosure has a 5.75" mounting depth; if the seat won't lock, your 12" subs are too tall. Use shallow-mount drivers like the NVX SMW12D4 to ensure the seat frame clears.
Check for phase cancellation; reverse the (+) and (-) wires on one sub. To improve the low-end "warmth" in this 1.4 cu. ft. box, add Polyfil inside the chambers to simulate a larger volume and smooth out the frequency response.
Yes! The LVE-GM-SLVDCG3-D12S is the pre-loaded version. It comes with two 12" NVX subwoofers already installed and wired to 1-ohm, providing a perfectly tuned 800W RMS "drop-in" bass solution specifically for your GM truck.

Compatible Vehicles


Please use our Fitment Guide to determine specific compatibility for the submodel and audio features

The vehicle you have selected 1998 Mazda MPV is not compatible. Change vehicle or See list of compatible similar products


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Specifications & Details


Compatible vehicle types
Compatible vehicle types
Car/Truck/SUV/Van
Enclosure Specifications
Subwoofer Size
12"
Subwoofer Cutout Shape
Round / Circle
Box Type
Sealed
Number of Subwoofers
2
Box Style/Shape
Vehicle Specific
Cutout Diameter or Length
11 1/8"
Maximum Speaker Depth
4"
Total Box Volume
1.25 cubic feet
Wood Thickness
3/4"
Number of Terminals
2
Terminal Type
Binding posts (banana clip ready)
Box Exterior Color
Black
Box Finish
Carpet
Promotions
Deals
On Sale
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

NVX

Model Number:

VE-GM-SLVDCG3-D12S

Weight:

34.00lbs

Internal SKU:

vegmslvdcg3d12s

Internal Product ID:

204189

Customer Ratings & Reviews


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