Bakflip Mx4 Vs Undercover Armor Flex

Undercover Armor Flex vs Bakflip mx4 Truck Bed Cover

There is no denying the importance of a good truck bed cover. They serve a greater purpose and not merely cover all the loads in the back. Pick-up trucks in modern days are being used for several heavy-duty tasks. So underestimating their job will be a massive mistake.

The cover does not just complete the overall look but is just as mandatory as the other parts for your vehicle. There are many options among which one could choose their cover according to their priorities. Any room for doubt must be nipped in the bud that’s what calls a decent enough comparison.

Bakflip vs Undercover Table

Indeed, you don’t want something that you don’t need. Both the covers are custom made keeping the demands of the consumers in mind. The most significant difference at first glance about the UnderCover Armor Flex as you might have guessed just by its over-the-top name is that it has been crafted with heavy-duty panels. Now let’s take a quick look at their features side by side.

Made out of reinforced-fiberglass, polymer top and aluminum underside in the inner surface.

Built with matte-finished aluminum panels with a patented LINE-X coating

if you have a locking tailgate your cover will be secure when properly closed.

Comes with automatic latching system locks in each panel.

Comes with 5-year, hassle-free warranty.

Comes along with impressive 5 years warranty!

The dent and scratch resistance are impressive compared with the basics.

Patented LINE-X coating helps to prevent against dents, dings and scratches.

Allow the latched to be attached while the tailgate is being open or closed.

As mentioned above the tailgate and truck bed cover is intertwined.

The leak defence against the poring rain and snow fall is impressive.

Simmilar to its rival has excellent coverage from hostile weather conditions.

Proudly made in the USA

Proudly made in the USA

Has a relatively smoother texture compared with the classics.

Identical to its rival has a smoother finish with silky outer surface.

Undercover Armor Flex

Premium Line-X coating. The premium coating gives it an out-of-the-ordinary look and makes it hard to penetrate simultaneously. A simple clamp on the system makes it easy to install. The easily attachable clamps make it a cakewalk for consumers to install the cover with a single handle operation without expert help. It fits flush with rails for a sleek, low-profile look. The Low profile look ensures an almost invisible outer look that camouflages well with your truck.


Provides maximum security from wet and dull weather conditions. The coating and over-the-top matte-finishing seals all the smallest gaps to naked eyes and gives it a leak-proof air-tight sort of compartment.


Flips completely open and secures 100% bed access. It doesn’t consume any extra space for the sake of providing security. One can get the optimized space to the full extent a truck bed can deliver.

Custom Fit

Doesn’t require any extra hustle with the manual for the perfect fit. It can be modified up to your vehicle type and cope accordingly.

Doesn’t Fade or Catches Rust Easily

Long-lasting and durable. Stands tall among the ever-fading covers available in the market. The LINE-X coating with aluminum panels and matte-finishing seals makes it an overall package for pick-up truck users.

Limitations of UnderCover Armor Flex

Tailgate has to be opened to lift the cover open or close. UnderCover Armor Flex doesn’t allow dual action regarding the tailgate. This is one of the biggest cons of this cover worth mentioning.

The side rails are often confusing. Swapping the side rails is one of the common problems people often deal with while using this cover. The sidewalls are site-specific and wouldn’t work without the side it is entitled to. The sides should be marked precisely.

Main features of Bakflip MX4

Comes with matte finishing in the corners for better coverage. The matte finishing in the edges allows better protection against leakage. The rain and dripping snow, fog, or dust may find it hard to pour through the strong resistance.


Clamps and elevators strive for a more streamlined look and experience. The relatively smoother appearance certainly buys some extra points in the overall outlook that compliments your vehicle and provides service.


Has shock-absorbing bumpers. The shock-absorbing bumpers prevent the road vibration from damaging the valuables in the bed. One of the most important facts that MX4 made certain of.


Allows dual operation of the tailgate. One of the biggest pros of the MX4 is that the cover can stay closed yet the tailgate can be independently operated without the coverage being disturbed.

Limitations of BakFlip MX4

Even with all the edge and corner finishing, MX4 fails to ensure 100 % waterproof coverage. In short, leaving the truck bed with dripping wet corners.

What to choose and what not to?

Answer: If you are more used to heavy-duty truck loads, without any doubt, go for UnderCover Armor Flex. On the other hand, if you are a person in need of regular casual load coverage, BakFlip MX4 is just adequate and quite perfect for your sort.


UnderCover Armor Flex is a great choice for those who need a heavy-duty truck cover. It is strong and durable, yet lightweight and easy to install. It also provides 100% bed access and is leak-proof. However, it does have some limitations, such as the fact that the tailgate must be opened to lift the cover open or close.

Bakflip MX4 is also a great choice for those who need a cover for their truck. It is easy to install and provides 100% bed access. It is also leak-proof and has shock-absorbing bumpers to protect your belongings from road vibrations. However, it does not provide 100% waterproof coverage, so you may have to deal with wet corners in your truck bed.

Ultimately, the decision of which cover to choose depends on your specific needs and preferences. I hope this article helped you in one way or the other. If not, please feel free to ask questions in the comment section below. I will be more than happy to answer.

Frequently Asked Questions (FAQ)

Yes, BAKFlip and UnderCover are the same company. We merged in 2015 in order to better serve our customers and provide them with the best possible products. We are committed to providing high-quality, durable tonneau covers that will protect your belongings and keep your truck looking great. Visit our website to learn more about our products and find the perfect fit for your truck.

Armor Flex can support up to 500 pounds, making it ideal for a variety of applications.

Yes! Undercover Ultra Flex is a great choice for a waterproof sealant. This product has a high solids content which helps it to resist breakdown from water and provides excellent adhesion to most surfaces. It can be used on many different types of projects, both indoors and outdoors.


Armor Flex

Bakflip MX4

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