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  • We will NOT be undersold on BakFlip Tonneau Covers! Seen a better price? Call us at 800-663-1570 and we'll beat it!
  • Bring both style and function to your truck with the durable and lightweight BakFlip MX4 Aluminum Tonneau Cover
  • New and improved universal rear seal – closes with tailgate in the open or closed position
  • Fully opens for complete, 100% bed access
  • Standard model available, or choose to add the BakBox folding truck toolbox (not available for all vehicles)
  • Enhanced heavy-duty Aluminum construction – resistant to scratching and UV radiation
  • Injection molded latch housing for superior durability
  • Attractive Black flat matte finish
  • BakFlip Comparison Chart
  • Made in the USA
  • Backed by a 5-Year Warranty

Whether you’re loading your truck up with sand, cement, or concrete, or packing up for a weekend camping trip, your cargo needs to be protected, and your truck deserves to look good. If you want to add all the convenience of a locking trunk to the style and function of your pickup, equip your rig with the BakFlip MX4 Aluminum Tonneau Cover.

Not only do the enhanced heavy-duty aluminum panels look great in their flat matte finish – they also provide incredible resistance to scratches and UV rays. In addition, the premium density foam core stands up strong to heavy use and abuse. The newly upgraded rear seal is universal, and allows you to close your cover while the tailgate is in the open or closed position - no need to worry about damaging your cover when you close the cover in a hurry. Now, new and updated features include include Matte elevator bolts, prop rod clips, rail end caps, and finished cab corner caps.

Your BakFlip MX4 Aluminum Tonneau Cover is rated to hold up to 400 lbs of evenly distributed weight right on top. The latch housing is injection molded, for supreme durability that will last for the long haul. This cover is made in the USA and backed by a 5-Year Warranty.

Optional Upgrade: Choose the Standard BakFlip MX4 model, or maximize your truck bed's functionality by adding the optional BakBox Folding Toolbox. This truck toolbox is strong, lightweight, easy to handle, and works seamlessly with the BakFlip MX4. (BakBox not available for all vehicles.)

BakFlip MX4 Tonneau Cover Customer Reviews

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Overall Rating:

4.8 of 5

Average Install Time: 30-60 minutes

Showing 10 of 458 reviews. See All Reviews.

who drives a GMC Sierra
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Thanks for the military discount. Packaging looked great but did have 1 small plastic clip for prop up rod broken when opened up and inspected. Called 1 800 number enclosed and received new clip and an extra within 2 days. Cover looks great and am well satisfied.

Install Time: Under 30 minutes

who drives a Dodge Ram 1500
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Very good looking quality product. Great instructions and YouTube videos. Only reason for 4 stars on performance is I get some minor leaking at the tailgate corners but only after car wash or hard rain. High end product that looks and operates great and hopefully will for years to come.

Install Time: 30-60 minutes

who drives a Dodge Ram 1500
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BAKFlip mx4 leaks. I cannot put tools in my bed until I get the leak stopped.

Install Time: 30-60 minutes

who drives a Ford F150
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This is my first bed liner so I dont have much to compare it to. Great design. Easy to install. Wish panels were a little more robust material Hate to see what this thing looks like after hail storm. Maybe vinyl coated? Also wonder about the rubber. How much UV protection?

Install Time: 30-60 minutes

who drives a Chevy Silverado
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Easy to install. Looks great.

Install Time: 30-60 minutes

who drives a GMC Sierra
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I went with the Bak Flip MX4 due to the great ratings that it had gotten online. When I opened the package it was slightly damaged with a dent on the interior and some scratches on the exterior. This is due to poor packaging.

Install Time: 30-60 minutes

who drives a Chevy Silverado
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Easy to install, looks great. I have a small leak I need to troubleshoot.

Install Time: 30-60 minutes

who drives a Chevy Silverado
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Great Product - no issues.

Install Time: 30-60 minutes

who drives a Ford F250
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Great product. Quick shipping.

Install Time: Under 30 minutes

who drives a Toyota Tacoma
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Fits like a glove and looks great. Used the YouTube video to install it as it is super easy to follow. Only draw back is no more tie-down spots since the side rails are covered. However too easy fix to install new ones.

Install Time: 30-60 minutes

Showing 10 of 458 reviews. See All Reviews.