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Shipped straight from the manufacturer, this box is designed and manufactured in Texas and comes with a Lifetime Guarantee! All ADD boxes are precision constructed with all joints glued together with wood glue, staples, and sealed with a hotmelt plastic. They are covered with the highest quality automotive carpeting and installed with quick disconnect terminals. NOW AVAILABLE IN POLYURETHANE ARMOR COATING - BLACK

Fits 2001-2009 Chevy Avalanche

Armor Coated With High Pressure Polyurethane Bed Liner Material

Increases The Base, stiffens the wood and no air leak

Weather and water proofing

It will replace the Mid-gate

Rear glass storage is lost

Single 10" 12" or 15" Round or Square Cutout

Air volume 2.6 Cubic Feet Total

Port volume .35 cu.ft.

Mounting Depth 11''

Maximum Magnet Diameter 8''

Speakers are not included

Tuned Frequency 35 HZ

Forward firing System

Material 5/8'' MDF