UnderCover Elite 15-20 F150 5'7" - Black Textured Model UC2158 201 to 350 lbs. The 1704320 Buyers Underbody Box

The 1704320 Buyers Underbody Box is one of the best underbody truck boxes for your money

GMC Yukon and GMC Yukon XL (see application info to verify fitment)

WD and 675 lbs

Buyers Products 24x24x30 Inch Pro Series Smooth Aluminum Underbody Truck Box - Double Barn Door

UnderCover Elite 15-20 F150 5'7" - Black Textured Model UC2158 201 to 350 lbs. The 1704320 Buyers Underbody BoxUnderCover Elite 15 20 F150 5'7" Black Textured Model UC2158 The Elite By UnderCover Is The Most Refined UnderCover To Date. It Is Meticulously Designed, Engineered And Produced, But Its The Remarkable Features That Set It Apart. Completely New Design, Adding The Handle to The Back,Codable Lock And Brighter Removable LED Light. New Single Lock Handle OEM Codable Lock LED Light Is 3X As Bright And Removable Lanyard Helps To Easily Access Cargo Just Out