<> Dual 13.5 inch Sub Box for 2014-2016 Chevy and GMC Crew - Sound Off Audio, Inc.
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Xtreme Enclosures

Dual 13.5 inch Sub Box for 2014-2016 Chevy and GMC Crew

If you have subwoofer(s), type sub model # here.:

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 Product Description

  • Fits the 2014 Chevy Silverado 1/2 ton (1500 series) Crew Cab Truck
  • Fits the 2015-2016 Chevy Silverado Crew Cabs and 2015 GMC Sierra Crew Cabs

We are the first manufacturer of this box

Note:  This will not fit the 2014 2500 and 3500 crew cab trucks.  If you have the 2014 2500 and 3500, choose one of our boxes we have listed for 2007-2014.


  • Fits underneath the rear seat
  • Subwoofers fire down
  • Air space = .7 cubic ft
  • Speaker terminals included
  • The terminal holes are located on the bottom of the sub box, facing down.  We don't ship the terminals installed.  We ship the sub box with the individually wrapped terminals inside.
  • Charcoal carpet
  • Available in OEM colors to match your interior for an additional cost
  • Constructed with furniture grade MDF wood 

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.

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GMCRW2014 TW5 13
We build each sub box and ship within 3-10 business days excluding weekends.
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