ECA CHEVY SILVERADO / GMC SIERRA 07-13 / 14-18/ 19-CURRENT YEAR  EXTENDED BOX (4-8in) BEDLINER BOX
ECA CHEVY SILVERADO / GMC SIERRA 07-13 / 14-18/ 19-CURRENT YEAR  EXTENDED BOX (4-8in) BEDLINER BOX
ECA CHEVY SILVERADO / GMC SIERRA 07-13 / 14-18/ 19-CURRENT YEAR  EXTENDED BOX (4-8in) BEDLINER BOX
ECA CHEVY SILVERADO / GMC SIERRA 07-13 / 14-18/ 19-CURRENT YEAR  EXTENDED BOX (4-8in) BEDLINER BOX
ECA CHEVY SILVERADO / GMC SIERRA 07-13 / 14-18/ 19-CURRENT YEAR  EXTENDED BOX (4-8in) BEDLINER BOX
ECA CHEVY SILVERADO / GMC SIERRA 07-13 / 14-18/ 19-CURRENT YEAR  EXTENDED BOX (4-8in) BEDLINER BOX
ECA CHEVY SILVERADO / GMC SIERRA 07-13 / 14-18/ 19-CURRENT YEAR  EXTENDED BOX (4-8in) BEDLINER BOX
ECA CHEVY SILVERADO / GMC SIERRA 07-13 / 14-18/ 19-CURRENT YEAR  EXTENDED BOX (4-8in) BEDLINER BOX
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East Car Audio

ECA CHEVY SILVERADO / GMC SIERRA 07-13 / 14-18/ 19-CURRENT YEAR EXTENDED BOX (4-8in) BEDLINER BOX

$429.99
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 ECA CHEVY SILVERADO / GMC SIERRA 07-13 / 14-18/ 19-CURRENT YEAR EXTENDED BOX (4-8in) BEDLINER BOX 

 

4-8'' Ported Poly subwoofer box

Proudly Made in Channelview TEXAS!!!!!!

 




This Box FITS UNDER THE UNDER THE  SEATS ON A Chevy Silverado, AND GMC Sierra.

Finally we have built a universal box for Most GMC Trucks!!!!!!!!

Now you can have a bass system in your truck without losing any space!!!!
Fits
2007-2013 Chevy Extended cab 
2014-2018 chevy extended cab
2019- current year extended cab 
This is the hardest hitting sub box for the Chevy/GMC
Armor Coated With High Pressure Polyurethane Bed Liner Material
Increases The Base up to 4 times , stiffens the wood and no air leaks
2-8'' Speakers
Front Firing System
Ported Sub Box Fits Under The Rear Seat
Air Volume 1.83 Cubic Feet total no divider (mono)
Mounting Depth 13'' with the Magnet diameter less than 6''
Material 5/8'' M.D.F



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