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Chevy Silverado / GMC Sierra Extended Cab 99-06 Pair of Subwoofer Boxes

SKU: 99ChevyECpair
5.00 (2 reviews)
Fits 1999 - 2006 Chevy Silverado / GMC Sierra Extended Cab (also fits 2007 Classic)

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Regular Construction - Built within 4-6 days

Expedited Construction - Built within 48 hours (Adds $99.00)

Upgrades Available with this Product:

Two (2) Upgraded Speaker Terminals (Adds $25.00)

Speaker Wire - 2 x 20" - 12 Gage Wire w/Clips (Adds $10.00)

Acoustic Stuffing - 2 Subwoofers (Adds $30.00)

$199.00 to $608.00

Is your Truck Stereo Lacking Bass?
Get a Subwoofer box for your 1999 - 2006 Chevy Silverado / GMC Sierra Extended Cab and start making your friends jealous with the sound quality you can get from your truck.  

The level of improvement from adding a subwoofer enclosure is unmatched compared to any other improvement you can do to your system. 

This subwoofer box installs in minutes and is engineered to fit the 1999 - 2006 Chevy Silverado / GMC Sierra Extended cab.  We use high quality MDF and precision manufacturing in all of our Subwoofer enclosures.

Features:

  • One Pair of individual subwoofer boxes
  • Will fit 2007 Classic
  • Fits two 8, 10 or 12 inch subwoofers
  • MDF construction
  • Subs fire down
  • Fit under rear seat
  • May have to remove floor mats
  • 1 1/4" clearance under the box
  • Air Space = .70 cubic foot Per Sub (8" & 10") 
  • Air Space = .90 cubic foot Per Sub (12") 
  • Mounting Depth = 7" (8" & 10") (Optional 7 5/8")
  • Mounting Depth = 6 3/4" (12") (Optional 7 3/8")
  • Mounting Depth based on 6" diameter magnet
  • Speaker terminals included
  • Hole cutout for 8" Sub = 7"
  • Hole cutout for 10" Sub = 9 1/8"
  • Hole cutout for 12" Sub = 11"
  • Subwoofers and/or amplifiers not included
  • Charcoal Grey Carpet

Optional carpet colors available to match your interior

NOTE: Please tell us what subwoofer you are planning to use, so we can ensure proper fit in your speaker box.

We build all of our Subwoofer boxes to order, so if you need your box to be customized we can do that for you.  Most of our Subwoofer enclosures include multiple cutout size options, mounting depths and colors.  If your subwoofer enclosure needs a non-standard hole size, just let us know and we will be happy to customize it for you for FREE!

5.00 Global Rating: 5.00 from 2 reviews
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Chevy Silverado / GMC Sierra Extended Cab 99-06 Pair of Subwoofer Boxes 5.0 Excellent By Dan Well made boxes. The best thing about these is the extra room you have that most other style boxes take away for the Ext. cabs. Plenty of room in between to put your amps! Still has good cf for subs. I have ran the 12 inch Alpine Type R's and Ground Zero Hydrogen 12's and they sound great. Plus 2 separate boxes are a lot more manageable. Ordered another box for 4 10's to try out and will probably order a third as well. Great communication from SuperCrewsound. Very pleased with everything so far compared to a couple of other places I have ordered boxes from in the past. Have some photos but looks like I can't upload them here.
Chevy Silverado / GMC Sierra Extended Cab 99-06 Pair of Subwoofer Boxes 5.0 Sub boxes By Michael Joines Very nice boxes. Fit very well if you get the right pair. Easy mounting. Sound great.
Would recommend them to others.