<> Ported box 1999-2006 CHEVY SILVERADO EXTENDED CAB - Sound Off Audio, Inc.
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  • Available in tan for an additional fee
Xtreme Enclosures

Ported box 1999-2006 CHEVY SILVERADO EXTENDED CAB

RRP: $249.95
$199.00 (You save $50.95)
If you have subwoofer(s), type your sub model # here:

(Maximum Size: . Type: )

 Product Description

1999-2006 Gmc Sierra Extended Cab

1999-2006 Chevrolet Silverado Extended Cab

Note: This will also fit 2007 Old Classic Body Style. If you have the 2007 Extended Cab, please check to see if you have the new or old body style. If unsure, please contact us.

  • Subwoofers fire forward
  • Fits dual 8 and 10 inch subwoofers
  • Ported
  • Mounting depth = 7 inches
  • Air Space = 1.1 cubic ft per sub
  • Fits under rear seat
  • Tuned to 38 hz
  • We can adjust the tuning if you request it
  • Charcoal Carpet (box in one of the photos is shown in tan carpet which is an additional fee)
  • Speaker terminals
  • MDF wood
  • OEM colors available at an additional cost.

 

Hole cutouts: 

  • Standard hole cutout diameter for 8s = 7 inches
  • Standard hole cutout diameter for 10s = 9 1/8
  • If you don't know the actual hole cutout diameter, choose the standard cutout below.
  • If we don't have your actual diameter listed below, choose the standard cutout, then provide us with your sub model #.  No worries, we can look up the specs of your subs.

 

Our sub boxes are built by us!  CNC precision cut and assembled by hand.  We guarantee our sub box will not fall apart.  

Our competitors sell cheap pre-fab sub boxes that can't match or beat the strength and sound of our speaker boxes.  You will not be disappointed with our sub box.

 Product Videos

CHEVROLET EXTENDED CAB VENTED subwoofer BOX 1999-2006
  • CHEVROLET EXTENDED CAB VENTED subwoofer BOX 1999-2006

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 Product Reviews

Write review

  1. Great Box

    Posted by Austin on 30th Mar 2016

    I have 2 Scar VVX-10s in and it sounds great


  2. two Memphis 10"s under the back seat of 99 silverado

    Posted by jessie on 23rd Jul 2015

    I bought this box a bout a year ago and threw two Memphis 10" s in it and it sounds amazing has the whole roof shaking depending on the song the roof at times has waves going thru it
    Great on the shipping fast and well wrapped


  3. Awesome sound

    Posted by David Persano on 2nd Mar 2015

    Definitely worth the money, makes any brand of 10s sound great. Just what I was looking for. Very satisfied. .. great product. Would recommend to anyone.


  4. Shocking sound..

    Posted by Barry on 14th Oct 2014

    Loaded box with polk db 10 inch subs and was very surprised how well this combo works, You cant go wrong with this box. I am very pleased.


  5. Amazing Sounding Box

    Posted by Ashton on 27th May 2014

    This box was built right and tuned perfect, for two 8s this box makes them sound amazing, it is very loud got my windows flexin. I was a little worried when I didn't get the same box as in the video so I gave Matt a call, he assured me that it was the same just a little smaller because they were for 8s. He assured that the box would sound good and I trusted him and glad I did cause the box is perfect. I would refer this box to anyone who wants nice clean loud sound. Thank you again.


  6. No Distortion, very clear and like the video says, VERY LOUD.

    Posted by Unknown on 19th Sep 2013

    I bought this box recently. Shipping was fast, no damage, was packaged very´╗┐ well. Matt was quick to respond with any questions. If your like me and searching the net for a box to fit the ext cab Silverado, THIS IS IT. Dropped 2 RE audio SEX 10s, tight fit but they do fit. No Distortion, very clear and like the video says, VERY LOUD. I love and would highly recommend it if you have an ext cab Silverado, Fit under the seat very well.


SKU:
CHEVY GM EC 99-06 PORTED LG
Availability:
We build every box as the orders come in and ship within 3-10 business days.
Shipping:
Calculated at checkout
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