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This custom built dual 12-inch, empty, down-firing subwoofer enclosure features an OEM direct fit for installation under the rear cab seat of compatible 1999-2006 Chevy Silverado & GMC Sierra extended cab trucks.

Save on 1999-2006 Chevy Silverado/GMC Sierra Extended Cab Dual 12" Sub Box with a Skar Audio discount code

Checkmate is a savings app with over one million users that have saved $$$ on brands like Skar Audio.

The Checkmate extension automatically applies Skar Audio discount codes, Skar Audio coupons and more to give you discounts on products like 1999-2006 Chevy Silverado/GMC Sierra Extended Cab Dual 12" Sub Box.