King Boxes 12" Dual DF Sealed Box 99-06 Silverado/Sierra ExtCab AK-GMC — Big Jeff Online Inc
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Free shipping with delivery in 2-4 days See details



King Boxes 12" Dual DF Sealed Box 99-06 Silverado/Sierra ExtCab AK-GMC35-12

Save 20% Save 20%
Original price $349.99
Original price $349.99 - Original price $349.99
Original price $349.99
Current price $279.99
$279.99 - $279.99
Current price $279.99
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This is a Sample Product Title
Was $200.00 Now $100.00
  • Custom designed for '99-'06 Silverado/Sierra Ext Cab
  • Downfire sealed box for impactful, precision bass
  • Ample volume and depth to accommodate powerful subwoofers
  • Durable sprayed finish for a long-lasting, custom look

King Boxes 12" Dual DF Sealed Box 99-06 Silverado/Sierra ExtCab AK-GMC35-12

This Listing Includes: 

(1) King Boxes AK-GMC35-12 Speaker Box

Maximize your vehicle's bass with the AK-GMC35-12 from King Boxes, designed for the '99-'06 Chevy Silverado and GMC Sierra Extended Cab. This enclosure is built for dual 12" subwoofers and offers .93 cubic feet of space per chamber with a 7†mounting depth, perfect for achieving deep and dynamic bass. The sprayed finish not only adds to the durability but also integrates perfectly with your truck's aesthetics.

AK-GMC35-12 Specifications:

  • Model: AK-GMC35-12

  • Fit: 1999-2006 Silverado/Sierra Extended Cab

  • Subwoofer Size: Dual 12"

  • Volume: .93 cubic feet per chamber

  • Mounting Depth: 7â€

  • Finish: Sprayed

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All orders over $500 will require a signature for delivery.

All pre-selected shipping rates and methods are for customers with a
valid residential or commercial address within the Contiguous 48 United
States (PO Boxes address may require additional charges).

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U.S. Virgin Islands, Northern Mariana Islands, American Samoa, Canada,
and other countries may require additional shipping fees. Please contact
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Shipped orders that are returned by the shipping company due to an
insufficient address or an undeliverable address will be refunded less a
20% restocking fee.

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full to have the package sent back to you or we can refund the money
minus the cost of shipping


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please do the following within 36 hours of expected, stated delivery:


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If you think that your package has been stolen, we will require a police report since this is now theft.
Once we have a police report on file for the stolen package, we will reship your order.

Customer Reviews

Based on 1 review
Maria Hernandez
Love this enclosure box!

It is a good option is your truck doesn't come with an audio system with subwoofers, resistant and easy to install.