BACKRACK(TM) has doubled the corrosion resistance on the Louvered Rack by E-Coating the Frame before Powder Coating. Being unsatisfied with the Powder coverage in tight areas of the Louver assembly, BACKRACK(TM) does it right by immersing the entire Frame into a multi stage dip process to cover every hidden surface. LOUVERED RACK - Chevy Silverado/GMC Sierra 2500/3500/GM Pickup/Silv/Sierra/F150/Titan/Tundra/D/W Series/Ram w/o RB NOTE: Replaces part number 12400 2020-2021 Chevrolet Silverado 2500 HD, 2020-2021 Chevrolet Silverado 2500 HD, 2020-2021 Chevrolet Silverado 3500 HD, 2020-2021 Chevrolet Silverado 3500 HD, 2020-2021 GMC Sierra 2500 HD, 2020-2021 GMC Sierra 3500 HD
