BAK BAKFlip MX4 (GEN 3) 20-26 Silverado/Sierra 2500HD/3500HD 8'2" Model 448134 Rectangular Light sides and rear step

sides and rear step

2" and 2-1/2" dimensions

shielding it from rocks

The single-piece cargo van partition provides separation from the driver compartment and storage area

BAK BAKFlip MX4 (GEN 3) 20-26 Silverado/Sierra 2500HD/3500HD 8'2" Model 448134 Rectangular Light sides and rear stepBAK BAKFlip MX4 (GEN 3) 20 26 Silverado Sierra 2500HD 3500HD 8'2" Model 448134 The best selling truck bed cover in the world just got better. Introducing the new and improved RealTruck BAKFlip MX4 (GEN 3)an evolution of RealTruck's most popular tonneau cover. This next generation upgrade builds on everything truck owners already love about MX4, now enhanced with improved functionality, greater durability, and elevated security. The new and improved