Go Rhino BR20.5 Rear Bumper for Chevrolet Silverado GMC Sierra 1500 Model 28176TGo Rhino BR20. 5 Rear Bumper for Chevrolet Silverado GMC Sierra 1500 Model 28176T Part of Go Rhino's famous BR Bumper family. BR20. 5 Rear Bumper with enhanced features. Precision designed for accurate fit Heavy duty steel with a Black Powder coat Finish. Bumper has allowances for back up sensors and spare tire drop access. BR20. 5 Rear Bumpers come with a Limited Lifetime warranty on materials and construction and a 5 year warranty on the Textured