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Dual Sub Box 2003-2006 GM Sierra 1/2 ton Crew

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Built-to-order Item. Due to an overwhelming amount of orders, the Current Estimated Build time of 8-10 weeks. Hand Built in the USA..
40.00 LBS
Calculated at Checkout
1800woofers Price $297.38


This subwoofer box is designed to fit only the 2003-2006 Chevrolet Silverado 1/2 ton crew cab and GMC Sierra 12 Ton Crew (non heavy duty series)


  • Fits dual 8s and dual 10s
  • Fits behind the rear seat
  • Air space = .8 per chamber
  • Mounting depth for the dual 8 and dual 10 = 5.25
  • Removal of jack is necessary
  • Charcoal carpet
  • Speaker terminals included
  • Fits over existing plastic vents

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.

Popular subs customers use for this box:

  • Alpine SWR-T8
  • Alpine SWR-T10
  • Pioneer TS-SW2002D2 8 inch
  • Pioneer TS-SW2501S2|S4 10 inch
  • Pioneer TS-SW3002S4 12 inch
  • Kicker CompVT 8s, 10s and 12s


  • Customers need to check their subwoofers' specifications to see if they will fit the sub box.  Customers may contact us if they are not sure.
  • Customers are responsible for providing us with their subwoofer model # at the time of purchase, so we can ensure it will fit.  
  • If customer doesn't have a subwoofer at the time of purchase, then ask us for our recommendation as to which subs will fit.  
  • We can't be held liable if a customer chooses a subwoofer larger than the specs provided for our sub box. 
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