AMP Research BedXtender HD Sport - Black Model 74830-01A 18-1/2" 5 cu ft 2010-2018 Chevrolet

5 cu ft 2010-2018 Chevrolet Silverado 1500 WT 87 in

The 1702660 Buyers Underbody Box is one of the best underbody truck boxes for your money

Silverado 1500

Merritt Underbody Tool Box 18"H x 17-3/16"D x 60"L Diamond Plate Single Door S-Series 3588

the Model 600-8212L van package for Mid-Roof

AMP Research BedXtender HD Sport - Black Model 74830-01A 18-1/2" 5 cu ft 2010-2018 ChevroletAMP Research BedXtender HD Sport Black Model 74830 01A V shape design is the perfect mix of form and function that keeps your gear secure. Provides the extra clearance needed when used with some tonneau cover rails. Flip it out with the tailgate open to gain up to 2 feet of enclosed cargo area. Flip it inside and close the tailgate to keep tools and smaller cargo contained in the truck bed. 3 year 36,000 mile warranty Durable silver or black powder