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BAK BAKFlip MX4 Hard Folding Truck Bed Tonneau Cover | 448409T | Fits 2007 - 2021 Toyota Tundra w/ OE track system 5' 7" Bed (66.7")

4.4 4.4 out of 5 stars 726 ratings

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BAKFlip MX4 | Hard Folding
5' 7" Bed w/OE track system

Purchase options and add-ons

Brand BAK
Style 2007 - 2021
Exterior Finish Chrome, Painted, Polished
Lock Type Tailgate

About this item

  • Fits 2007 - 2021 Toyota Tundra w/ OE track system 5' 7" Bed (66.7")
  • ULTIMATE SECURITY | The BAKFlip MX4 tonneau cover has durable aluminum panels that automatically latch as the cover is partially or fully closed, and is fully locked once your tailgate is closed
  • STYLISH MATTE FINISH | Featuring matte-finished aluminum panels, protecting against marks, scratches and UV damage; as well as premium upgrades to the perimeter seals and hardware
  • 100% BED ACCESS | Operate this cover closed, folded or flipped up, all without covering the 3rd brake light. Paired with a dual action tailgate seal for tailgate operation open or closed
  • WE’VE GOT YOUR BAK | The MX4 truck bed cover is rated up to 400 lbs of evenly distributed weight and is easy to install. This hard fold has a 5-year, hassle-free warranty, with a US-based support team
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BAKFlip MX4

Premium matte hard folding cover.

BAKFlip MX4 Features

The all-new BAKFlip MX4 can be closed with the tailgate up or down and features heavy-duty aluminum panels with a stylish, matte finish.

The MX4 combines a resilient infrastructure with a sleek, flush-mount, low-profile design.

The MX4 may be folded completely upright against the cab to provide access to 100% of your truck bed allowing you to haul large cargo without having to remove the truck bed cover.

The BAKFlip MX4 may be opened from either side of the vehicle and includes injection-molded latch housing components for enhanced strength and durability.

The MX4 does not obstruct the third brake light when folded upright in the open position allowing you to haul cargo safely.

Durable prop rods secure the MX4 in the upright position and can be folded open in a moment's notice without tools.

Product Description

The BAKFlip MX4 was the first matte-finished, hard folding cover to market, becoming America’s #1 Selling Hard Folding Cover in just a few years. Simply put, the MX4 just looks better than other covers. Its sleek no-profile appearance allows you to maintain the appearance of your truck, while enabling you to securely stow cargo in the bed. The MX4’s pioneering, textured matte-finish adds a premium look and feel while also protecting against UV damage, annoying finger print marks, and scratches. MX4 has everything you expect from a premium cover. The engineers at BAK Industries fine-tuned even the smallest elements of the cover, down to adding cab corner caps and rail-end cap, to extending a matte-finish throughout the cover’s side rails, clamps, and elevator bolts. The MX4’s integrated buckle system and automatic latching mechanism allows you to drive with the cover partially or fully opened without covering the 3rd brake light. For 100% bed access, simply unlock the cover from either side via its pull latches and fold the cover all the way up against the cab. From there, you can prop the cover in place by tightening two rods into the underside of the panel. For enhanced durability, the MX4 also features pre-molded, shock-absorbent bumpers on either side of the panel, protecting the folded panels from hitting the cover during turbulent driving. Rain or shine, the MX4 provides confident cargo storage that’s complete with dual drain tubes to divert water away from the truck bed, as well as full perimeter seals to help protect against water intrusion. Finally, the MX4 can hold up to 400lbs of evenly distributed weight and is backed by a 5-year, hassle-free warranty. BAKFlip MX4 is proudly made in the USA with globally sourced materials with a US-based support team. .

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Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
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BAK BAKFlip MX4 Hard Folding Truck Bed Tonneau Cover | 448409T | Fits 2007 - 2021 Toyota Tundra w/ OE track system 5' 7" Bed (66.7")


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What's in the box

  • Bakflip Mx4 Matte Finish 07-19 Toyotatundra W/ Oe Track System 5 Ft 6 In Bed With Track System
  • Product guides and documents

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    BAK BAKFlip MX4 Hard Folding Truck Bed Tonneau Cover | 448409T | Fits 2007 - 2021 Toyota Tundra w/ OE track system 5' 7" Bed (66.7")
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    Details
    Added to Cart
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    Details
    Added to Cart
    Price$1,221.62$1,129.99$539.99$1,329.99$499.95$489.00
    Delivery
    Get it as soon as Tuesday, Apr 2
    Get it Apr 4 - 5
    Get it as soon as Tuesday, Apr 2
    Get it as soon as Tuesday, Apr 2
    Get it Apr 3 - 5
    Customer Ratings
    Easy to install
    4.4
    4.4
    4.2
    4.5
    4.3
    Value for money
    4.0
    4.0
    4.3
    4.5
    4.2
    Weatherproof
    4.0
    4.0
    3.7
    4.6
    4.4
    Sturdiness
    4.4
    4.4
    4.5
    Mileage
    4.4
    4.3
    3.8
    Sold By
    Amazon.com
    Western Wild Motors
    Truck Gear Warehouse
    Amazon.com
    TRUCKPRO
    Kikito Auto
    size
    5' 7" Bed w/OE track system
    8' 2" Bed w/OE track system
    2022-2023 5‘6" Bed w/OE Rail System (66.7")
    6' 7" Bed
    5‘6" Bed
    2007-2021
    lock type
    Tailgate
    Tailgate
    Tailgate
    Tailgate
    Tailgate
    Tailgate
    material
    Aluminum, Vinyl
    Polypropylene, Aluminum
    Fiberglass, Plastic
    Aluminum, Polypropylene
    Aluminum, Polypropylene
    exterior finish
    Chrome, Painted, Polished
    Aluminum
    Painted
    Polished
    style
    2007 - 2021
    2007 - 2021
    Folding
    Folding
    Folding
    Folding

    Looking for specific info?

    Customer reviews

    4.4 out of 5 stars
    4.4 out of 5
    726 global ratings

    Customers say

    Customers like the quality and fit of the auto accessory. For example, they say it's well built, has a very solid feel, and has s a good fit. They are also happy with performance, appearance, and ease of installation. That said, some complain about the water resistance, saying it doesn't keep water out. Opinions are mixed on tightness, and value.

    AI-generated from the text of customer reviews

    100 customers mention91 positive9 negative

    Customers find the installation process of the cover to be easy. They mention that the instructions are spot on, and the cover goes on and aligns easily.

    "2021 Tundra SR5 short bed.This was a VERY easy install. Once the side rails went up it was smooth sailing...." Read more

    "...It wasn't that hard to install, also I like that it's strong and it's going to keep thieves out of my bed.," Read more

    "instructions were good and this is a high quality product" Read more

    "...Installation was relatively easy. The deck rail system added a step or two but remains fully functional after completion...." Read more

    96 customers mention74 positive22 negative

    Customers like the quality of the auto accessory. They say it's well-built, has strong cover sections, and is secure. Some mention that it'll stand up to the weather. Overall, most are happy with the quality and durability of the product.

    "...It wasn't that hard to install, also I like that it's strong and it's going to keep thieves out of my bed.," Read more

    "instructions were good and this is a high quality product" Read more

    "...It opens with very little effort, rolls up nicely and secures in place with two nylon straps. It almost unrolls itself when closing...." Read more

    "...So far this thing has been nice and water tight. Great product, looks awesome, and provides a needed place to store things. Recommend it highly." Read more

    71 customers mention71 positive0 negative

    Customers are satisfied with the design and how it all came together. They say it looks sharp and is well made. Customers also mention that the seals are well designed and the instructions are well written. However, some customers report missing hardware.

    "...I am very satisfied with the design and how it all came together, start to finish." Read more

    "...Looks amazing, does not flap in the wind. 4 out of 5 due to weather stripping along tailgate starting to fall off after one week...." Read more

    "...So far this thing has been nice and water tight. Great product, looks awesome, and provides a needed place to store things. Recommend it highly." Read more

    "...Overall, like the fit and quality. Looks great. Replaces my other big bulky tonneau cover...." Read more

    53 customers mention44 positive9 negative

    Customers like the fit of the auto accessory. They say it has a good fit, has an extremely low profile, and holds their weight with ease.

    "...I also have a bed extender and it fits perfectly with the tonneau cover...." Read more

    "...Overall, like the fit and quality. Looks great. Replaces my other big bulky tonneau cover...." Read more

    "...Also, I have no rattling or noise when I’m driving; it fits my bed like a glove.The cons:..." Read more

    "...the BakFlip looks great, functions great (and as advertised) and fits perfectly (after modifying the bedliner)...." Read more

    30 customers mention25 positive5 negative

    Customers like the performance of the truck bed cover. They mention that it works well, has no issues, and functions as expected. The cover is well-made, and the drain lines work perfectly. The installation was straight forward, and everything came perfectly.

    "...The cover functions as I had expected. It opens with very little effort, rolls up nicely and secures in place with two nylon straps...." Read more

    "...First of all, the rail kit worked great..." Read more

    "...Easy operation, looks nice, and works as advertised. Would have given 5 stars except for the minor water leakage on both sides near the tailgate...." Read more

    "...So now the BakFlip looks great, functions great (and as advertised) and fits perfectly (after modifying the bedliner)...." Read more

    42 customers mention25 positive17 negative

    Customers are mixed about the tightness of the cover. Some mention that it keeps most water out, while others say that it leaks from all over.

    "...So far this thing has been nice and water tight. Great product, looks awesome, and provides a needed place to store things. Recommend it highly." Read more

    "...I used a little clear caulk in the corners. Yes it gets a few drips in the bed, but it’s 98.9% dry...." Read more

    "...Pretty water tight.Looks great." Read more

    "...I have done extensive testing with a water hose, and mine does not leak...." Read more

    17 customers mention9 positive8 negative

    Customers are mixed about the value of the auto accessory. Some mention it's good value, while others say it'd be ridiculous for such an expensive product.

    "...and looks exactly like shows, also important...... this was also best priced!" Read more

    "...Looks great. Replaces my other big bulky tonneau cover. Pricey for sure, but it’s meant to last a lifetime and you get what you pay for." Read more

    "This was recommended by the KYD founders. Great price, quick delivery, easy to install and provides security for items in the pickup bed...." Read more

    "...This brand is a little expensive. I bought a return with a damaged box. It was complete, and easy to install. It has worked well for me...." Read more

    13 customers mention0 positive13 negative

    Customers are dissatisfied with the water resistance of the auto accessory. They say it's not completely waterproof, it doesn't keep water out, and it doesn’t keep the sides of the tailgate from allowing water in. Some customers also mention that their clothes in the hanging garment bag got wet. It's important to install weather stripping to prevent this.

    "...So far it seems very secure, not 100% water tight but does a good job of keeping almost all of the water out...." Read more

    "...It has been my experience that rain will permeate the edges of the cover especially when it’s sitting in the rain...." Read more

    "...Cheesy lid props and retainage hardware. Not very water resistant...." Read more

    "...It's not water tight, cause the sides of the tailgate still allows water into the bed and so does the rails...." Read more

    Best tonneau cover I’ve had!
    5 Stars
    Best tonneau cover I’ve had!
    2021 Tundra SR5 short bed.This was a VERY easy install. Once the side rails went up it was smooth sailing. I have a drop in bed liner and didn’t have to do any trimming. That may not be the case for every drop in bed liner so be aware of that. The instructions were straight forward and there are plenty of videos to watch for visual aid. I also have a bed extender and it fits perfectly with the tonneau cover. I am very satisfied with the design and how it all came together, start to finish.
    Thank you for your feedback
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    Top reviews from the United States

    Reviewed in the United States on January 24, 2024
    Pattern Name: BAKFlip MX4 | Hard FoldingSize: 5' 7" Bed w/OE track systemVerified Purchase
    Customer image
    5.0 out of 5 stars Best tonneau cover I’ve had!
    Reviewed in the United States on January 24, 2024
    2021 Tundra SR5 short bed.
    This was a VERY easy install. Once the side rails went up it was smooth sailing. I have a drop in bed liner and didn’t have to do any trimming. That may not be the case for every drop in bed liner so be aware of that. The instructions were straight forward and there are plenty of videos to watch for visual aid. I also have a bed extender and it fits perfectly with the tonneau cover. I am very satisfied with the design and how it all came together, start to finish.
    Images in this review
    Customer image Customer image Customer image Customer image
    Customer imageCustomer imageCustomer imageCustomer image
    Reviewed in the United States on December 7, 2023
    Pattern Name: BAKFlip MX4 | Hard FoldingSize: 5' 7" Bed w/o OE track systemVerified Purchase
    Reviewed in the United States on February 1, 2024
    Pattern Name: BAKFlip MX4 | Hard FoldingSize: 5' 7" Bed w/o OE track systemVerified Purchase
    Reviewed in the United States on October 15, 2021
    Pattern Name: Revolver X4s | Hard RollingSize: 5' 7" Bed w/ OE track systemVerified Purchase
    Reviewed in the United States on September 18, 2020
    Pattern Name: BAKFlip MX4 | Hard FoldingSize: 5' 7" Bed w/OE track systemVerified Purchase
    Customer image
    5.0 out of 5 stars 2017 Tundra w/ Rail System and Spray on bedliner
    Reviewed in the United States on September 18, 2020
    I put the details in the headline because there were a few things I did not know until I got the kit. First of all, the rail kit worked great (don't worry about doing anything with the rail against the cab - I took it off at first not understanding that). I can still use my rails and adjustable connections just fine. I did the whole install myself and took my time and still completed it in less than 1 hour. Fit and finish of the product has been exceptional and the support that I received on the one issue I had was fast and easy. There are a few things to think about with the spray in bedliner. 1. I had to decide whether or not to use the weather stripping on top of the bedliner. I knew it would not stick well because the surface is uneven and meant to not have thing stick to it. I chose not to use the weather stripping, and I have not had any water issues as a result (take your time on the installation, let things fall into place carefully, and examine them before you tighten things down). Issue 2: drain holes. I watched a youtube video to determine how to remedy the fact that the spray in bedliner covered my drain plugs. However, with a box cutter, I was able to do the job. So far this thing has been nice and water tight. Great product, looks awesome, and provides a needed place to store things. Recommend it highly.
    Images in this review
    Customer image
    Customer image
    4 people found this helpful
    Report
    Reviewed in the United States on July 21, 2021
    Pattern Name: BAKFlip MX4 | Hard FoldingSize: 5' 7" Bed w/OE track systemVerified Purchase
    Reviewed in the United States on October 3, 2020
    23 people found this helpful
    Report
    Reviewed in the United States on January 4, 2024
    Pattern Name: BAKFlip MX4 | Hard FoldingSize: 6' 7" Bed w/OE track systemVerified Purchase

    Top reviews from other countries

    Steve Nussbaum
    5.0 out of 5 stars Fits perfectly-easy to install-looks great and opens wide.
    Reviewed in Canada on August 18, 2022
    One person found this helpful
    Report
    Dave5171
    5.0 out of 5 stars Absolutely Love it
    Reviewed in Canada on March 22, 2022
    Pattern Name: BAKFlip MX4 | Hard FoldingSize: 6' 7" Bed w/OE track systemVerified Purchase
    Customer image
    Dave5171
    5.0 out of 5 stars Absolutely Love it
    Reviewed in Canada on March 22, 2022
    Absolutely love this tonneau cover on my 2007 Toyota Tundra Limited.
    Fits perfectly.
    Warning: You do have to remove the factory rails on the box. The cover does come with a extension kit so you can reuse the rails BUT my rails didn’t want to come out and the bolts stripped out. I ended up cutting them out and couldn’t reuse the rail after. So if the rail is important to you make sure you can remove the bolts 1st before you purchase the cover.
    Images in this review
    Customer image Customer image Customer image
    Customer imageCustomer imageCustomer image
    Gord
    5.0 out of 5 stars Good Buy!
    Reviewed in Canada on November 17, 2022
    Pattern Name: BAKFlip MX4 | Hard FoldingSize: 6' 7" Bed w/OE track systemVerified Purchase
    Amazon Customer
    5.0 out of 5 stars Great product and price!
    Reviewed in Canada on December 10, 2021
    Pattern Name: BAKFlip MX4 | Hard FoldingSize: 5' 7" Bed w/OE track systemVerified Purchase
    Customer image
    Amazon Customer
    5.0 out of 5 stars Great product and price!
    Reviewed in Canada on December 10, 2021
    Easy install, fast shipping, and looks great
    Images in this review
    Customer image
    Customer image
    Michelle O. Dewar
    5.0 out of 5 stars Excellent Quality and Speedy Delivery
    Reviewed in Canada on April 22, 2021
    Pattern Name: BAKFlip MX4 | Hard FoldingSize: 6' 7" Bed w/OE track systemVerified Purchase