1999-2006 GMC SIERRA EXTENDED CABS
NOTE: Boxes are carpeted in charcoal. OEM carpet colors available as option for additional cost.
NOTE: Make sure your subwoofer will work with the air space we listed. If not sure, just ask us.
Popular subs customer use for this box:
When you order this sub box, please provide us with your sub model # if you have subs already. You can type the sub model # in the comment section of the order page. This ensures we cut the holes to match your subwoofers since several subs have different hole diameters.
Any questions, please contact us 850-674-6363 or [email protected]
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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