BAK BAKFlip MX4 (GEN 3) 14-18 (19 Legacy/Limited) Silv/Sierra 1500/15-19 2500HD/3500HD 6'6" Model 448121 Gasoline Add 4" (2" each side)

Add 4" (2" each side) to the length of the tank for the hold down tabs

The AT50CB

The AT52TT-RT is designed to work a roll-top bed cover with at least 7” of clearance under the bed cover canister and at least 57

Top & Bottom Compartments

ATI 46 Gallon Diesel Rectangle Auxiliary Tank Bright Aluminum Model # AUX46R

BAK BAKFlip MX4 (GEN 3) 14-18 (19 Legacy/Limited) Silv/Sierra 1500/15-19 2500HD/3500HD 6'6" Model 448121 Gasoline Add 4" (2" each side)BAK BAKFlip MX4 (GEN 3) 14 18 (19 Leg Lim) Silv Sierra 1500 15 19 2500HD 3500HD 6'6" Model 448121 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