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 BAKFlip MX4 is constructed primarily from alloy materials, including heavy-duty aluminum top panels and side rails. Reinforced with high-density polymer cores, each panel delivers a 22 percent increase in overall strength compared to the original model.Security is also enhanced. In addition to BAK's patented auto-latching system, which automatically secures the cover when closed, the BAKFlip MX4 (GEN 3) features re-engineered lock components for improved resistance to forced entry compared to the GEN 2. No matter the cargo you're transporting, you can rest assured knowing your gear's protected.When the weather turns, the BAKFlip MX4 (GEN 3) holds strong. Revised EPDM rubber perimeter seals and tight-fit clamps provide our best seal yet, preventing seepage between the bed cover and bed rails. At the rear of the cover, a 13 percent longer dual-action tailgate seal provides weather protection for the tailgate. This innovative design also improves operation, maintaining factory tailgate functionality regardless of the cover's position.The BAKFlip MX4 isn't only durable, it's also sleek and stylish. Unlike competitors, the BAKFlip MX4 sits flush with your pickup's bed rails, practically disappearing into your truck's profile. And with a sleek, textured matte black finish across all surfaces, the MX4 looks great whether open or closed.

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Year	Make	Model	Submodel
2003-2010	Dodge	Ram 1500	Laramie
2002-2010	Dodge	Ram 1500	SLT
2006-2007,2009-2010	Dodge	Ram 1500	Sport
2004-2006	Dodge	Ram 1500	SRT-10
2002-2010	Dodge	Ram 1500	ST
2008	Dodge	Ram 1500	SXT
2009-2010	Dodge	Ram 1500	TRX
2006-2007,2009-2010	Dodge	Ram 1500	TRX4
2003,2005-2010	Dodge	Ram 2500	Laramie
2006-2010	Dodge	Ram 2500	Power Wagon
2003-2010	Dodge	Ram 2500	SLT
2006-2007	Dodge	Ram 2500	Sport
2003-2010	Dodge	Ram 2500	ST
2008-2010	Dodge	Ram 2500	SXT
2010	Dodge	Ram 2500	TRX
2006-2007	Dodge	Ram 2500	TRX4
2003-2010	Dodge	Ram 3500	Laramie
2003-2010	Dodge	Ram 3500	SLT
2006-2007	Dodge	Ram 3500	Sport
2003-2010	Dodge	Ram 3500	ST
2008-2009	Dodge	Ram 3500	SXT
2007	Dodge	Ram 3500	TRX4
2011-2018	Ram	1500	Big Horn
2012-2018	Ram	1500	Express
2013-2018	Ram	1500	HFE
2011-2018	Ram	1500	Laramie
2014-2015	Ram	1500	Laramie Limited
2011,2013-2018	Ram	1500	Laramie Longhorn
2015-2018	Ram	1500	Limited
2014-2018	Ram	1500	Lone Star
2011-2016	Ram	1500	Outdoorsman
2013	Ram	1500	R/T
2011-2018	Ram	1500	SLT
2011-2018	Ram	1500	Sport
2011-2012	Ram	1500	ST
2011-2018	Ram	1500	Tradesman
2019	Ram	1500 Classic	Big Horn
2019-2022	Ram	1500 Classic	Express
2019	Ram	1500 Classic	Laramie
2019	Ram	1500 Classic	Lone Star
2019-2022	Ram	1500 Classic	SLT
2019-2024	Ram	1500 Classic	Tradesman
2019-2024	Ram	1500 Classic	Warlock
2013-2024	Ram	2500	Big Horn
2011-2024	Ram	2500	Laramie
2014-2015	Ram	2500	Laramie Limited
2011-2021	Ram	2500	Laramie Longhorn
2016-2024	Ram	2500	Limited
2021-2024	Ram	2500	Limited Longhorn
2013-2015,2019-2024	Ram	2500	Lone Star
2012-2016	Ram	2500	Outdoorsman
2011-2024	Ram	2500	Power Wagon
2023-2024	Ram	2500	Rebel
2011-2018	Ram	2500	SLT
2024	Ram	2500	Special Service
2011-2013	Ram	2500	ST
2013-2024	Ram	2500	Tradesman
2013-2024	Ram	3500	Big Horn
2011-2024	Ram	3500	Laramie
2014-2015	Ram	3500	Laramie Limited
2011-2020	Ram	3500	Laramie Longhorn
2016-2024	Ram	3500	Limited
2021-2024	Ram	3500	Limited Longhorn
2013-2015,2017,2019-2022	Ram	3500	Lone Star
2011-2018	Ram	3500	SLT
2024	Ram	3500	Special Service
2011-2013	Ram	3500	ST
2013-2024	Ram	3500	Tradesman