RealTruck BAKFlip MX4 (GEN 3) Hard Folding Tonneau Cover Fits 2014-2018 Chevy Silverado/GMC Sierra 1500 5'8" Bed
RealTruck BAKFlip MX4 (GEN 3) Hard Folding Tonneau Cover Fits 2014-2018 Chevy Silverado/GMC Sierra 1500 5'8" Bed
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RealTruck BAKFlip MX4 (GEN 3) Hard Folding Tonneau Cover Fits 2014-2018 Chevy Silverado/GMC Sierra 1500 5'8" Bed

4.3 stars out of 5070 reviews
(4.3)|
5,070 ratings
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Key item features

  • Enhanced Durability: High-density polymer-reinforced aluminum top panels are 22 percent stronger than the original MX6, complemented by precision-engineered aluminum side rails and frame.
  • Full Bed Access: The cover folds against the cab, providing 100 percent bed access, with premium rubber bumpers protecting the cab when folded upright.
  • Improved Security: Re-engineered automatic latching panels offer enhanced security over the GEN 2 design, securing the cover when closed.
  • Weather Protection: Re-engineered perimeter seals and tight-fit clamps provide superior weather protection, alongside an integrated water drainage system and an extra-long, dual-action tailgate seal.
  • Streamlined Installation: Features a simple one-person installation with an all-new click-in design, resulting in 12 percent quicker setup time.
  • Sleek Design: A striking textured black finish is applied across all components, allowing the cover to sit flush with the truck's bed rails.
  • Robust Capacity: The cover boasts a 400 lbs. weight capacity when evenly distributed, ensuring reliable cargo support.
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Current price is $1,149.99
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  • Free 90-day returns
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Customer ratings & reviews

4.3 out of 5 stars
stars5,070 ratings5,070 reviews
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Reviews summary

Pros
  • : Has a low-profile design and matte finish.
  • : Installation process typically takes under 2 hours.
  • : Cover fits tightly and securely in place.
  • : Made with premium materials and solid construction.
Cons
  • : May leak at seams, corners, or rails, allowing water to enter the truck bed.
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Showing 1-3 of 5,070 reviews

Jun 29, 2025
Paul C.
5 out of 5 stars review

Seller Verified Purchase

BAKFlip MX4 Cover is AWESOME!

I needed a new cover for my new Denali pickup. I shopped many other brands and watched many videos on other covers. I decided to buy the the BAKFlip MX4 cover. I watch videos on how to install it and it installed pretty easy. Took me about an hour and a half because I am so particular. I love the way the cover looks. I also like how it folds. It locks down each section. You can also fold it up against the window to give you all the bedspace. I am very happy with my purchase.

Review from realtruck.com
Helpful?41PQM8X87V04794292959
Aug 3, 2025
Joseph G.
5 out of 5 stars review

Seller Verified Purchase

2016 RAM 1500 bed cover

I went from a ARE fiberglass lid to this. . . Which limits you extremely. . The MX4 cover looks really good. . . . Easy install. . locks with tailgate. . Was missing one screw for the buckle latch, no biggie. . . never throw out extra hardware from any install!! Overall happy with product

Review from realtruck.com
Helpful?41PQM8X87V04794292959
Jun 30, 2025
Bobby J.
5 out of 5 stars review

Seller Verified Purchase

BakFlip MX4 on 25 Sierra 1500

The BakFlip is a premium quality cover. I had one on a 19 Frontier and it was great. About 98% dry. I put a Gator folding cover on a 25 GMC Sierra 1500. That truck got totalled at 903 miles. I installed the Bakflip on my replacement 25 GMC Sierra 1500 last week. I prefer the matte finish on the BakFlip compared to the shiny satin finish on the Gator. Both covers required a little "tweaking" to get the latches to catch just right, The Gator design preferred that I close the tailgate with the top open. The BakFlip design works well both ways. That is I can close the tailgate with the cover open or closed. The BakFlip permits the whole folded cover to be flipped up to lean against the truck cab. This is necessary when hauling items like a motorcycle for example. In contrast the Gator cover must be removed since it does not flip up against the cab. In the past 3 months I have purchased both folding tonneau covers and installed them on identical 25 GMC 1500 Sierra pickups. While the BakFlip cost nearly twice as much, I would pay the greater amount again to have the advantages the BakFlip offers over the Gator and the Matte finish compliments my trucks trim better the the shiny satin Gator finish. For budget conscious folks the Gator is a good quality option that frankly is a better bang for the buck buy than the BakFlip. But it all comes down to preferences. The Gator was about 95% water tight. I cannot comment on the BakFlip since I've seen no rain since installation.

Review from realtruck.com
Helpful?41PQM8X87V04794292959