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Ground Shaker  GS-NGM18B New

8" Black Single Sealed Sub Box for 1999-2006 & 2007 Classic Chevy GMC Sierra Ext-Cab

Item #99011

Condition:   Brand New

Product Highlights

  • 8 inch subwoofer
  • single sealed box
  • Chevy GMC sub
  • Ext-Cab audio enclosure
  • black bass box

  Free 2-Years Warranty Included!
60 DAYS Returns Accepted.
FREE Lifetime Tech Support.
FREE Shipping (No Minimum).
60 DAYS Price change protection.

$240.00

Reg. Price $340.00  Save $100.00
  Free 2-Years Warranty Included!

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Ground Shaker GS-NGM18B 8" Black Single Sealed Sub Box for 1999-2006 & 2007 Classic Chevy GMC Sierra Ext-Cab

We are an Ground Shaker authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!

What's Inside?
  • • 8" Black Single Sealed Sub Box
  • • Owner's Manual
Kicker_KM
Compact Design, Big Bass

This subwoofer enclosure features a 7 1/8" cutout diameter with 0.75 ft³ air volume, delivering deep, powerful bass in a compact package. Measuring 8 1/4" in height, 32 1/4" in length, and 13 3/4" in depth, it fits neatly under your vehicle’s rear seat for a clean, professional installation. Built from 5/8" high-density MDF wood, carpeted, sealed with Titebond silicone, and secured with a binding post terminal, it combines durability, airtight design, and reliable sound performance.


SPECIFICATIONS


  • Speaker Size : 8 Inches
  • Number Of Subwoofers : 1
  • Construction : 5/8 MDF
  • Volume : 0.75 Cu. Ft.
  • Enclosure Type : Sealed
  • Vehicle Make : Chevy Gmc Sierra

FEATURES


Specifications:

  • Cutout Diameter: 7 1/8"
  • Air Volume: 0.75 ft³
  • Weight: 22 lbs
  • Mounting Depth: 6 11/16"

 

Dimensions:

  • Height: 8 1/4"
  • Length: 32 1/4"
  • Depth: 13 3/4"

 

Construction:

  • 5/8" high-density MDF wood
  • Carpeted with durable trunk liner finish
  • Sealed with high-quality Titebond silicone
  • Glued with high-quality Titebond wood glue
  • 1 binding post terminal

 

Installation:

  • Fits under rear seat
  • Upward-firing design
  • 2007 models only fit older body style
  • UPC:
  • Weight: 22
  • Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 2 Year(s) from the original date of purchase with proper return authorization.

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