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

• 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: 7"


• Finish: Sprayed

Accepted Payment Methods at Big Jeff Audio

At Big Jeff Audio, we strive to make your shopping experience as smooth as possible by offering a wide variety of payment options. Below is a complete list of the payment methods we accept:

Credit and Debit Cards

• Visa
• Mastercard
• American Express
• Discover
• Diners Club

Digital Wallets

• Amazon Pay
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• PayPal

International Payment Methods

• Bancontact
• iDEAL

Bank Transfers

• Zelle

Financing Options

We also offer financing options to make purchasing easier. Learn more about our financing options here.

• Klarna
• Affirm
• Sezzle
• Snap
• Acima
• Tiptop

If you have any questions or need assistance with payments, feel free to reach out to us at info@bigjeffaudio.com or call us at 737-BIG-JEFF.

Shipping Options and Delivery Time

Do You Offer Expedited Shipping?

Yes! At checkout, you can select from different shipping options:

• Standard Shipping: Free for orders over $100.
• Expedited Shipping: Available at an additional cost, calculated based on the weight and destination of your order.

How Long Does Delivery Take?

• Handling Time: Most orders are processed and shipped within 1 business day after receiving cleared payment. Occasionally, additional handling time may be required, but we’ll notify you if that’s the case.
• Standard Shipping: Typically takes 3-5 business days, though delivery may be affected by extreme weather or holidays.

What Happens If My Package Is Undeliverable?

If your package is refused or marked undeliverable and returned to us by the carrier, you’ll need to pay the full shipping cost to have the package resent. Alternatively, we can refund your order, minus the cost of shipping.

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• If the issue persists, please refer to our detailed guide on tracking your order or contact our customer service team for further assistance.