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2-8" Bedliner ported  Rhino Sub Woofer Box for Extended GMC Sierra1500, 2500 , 3500, and Chevy Silverado 1500,2500,3500

Chevy Silverado 1500,2500,3500 07-current Extended cab 

GMC Sierra 1500,2500,3500 07-Current Extended Cab

This Box FITS UNDER THE BACK SEAT ON THE TRUCKS LISTED

Now you can have a bass system in your truck without losing any space!!!!

Armor Coated With High Pressure Polyurethane Bed Liner Material
Increases The Base up to four times stiffens the wood and no air leaks
Lifetime Warranty
Fits 2-8" Speakers
FRONT Fire box fits under the rear seat