AutoAnything, Inc.
AutoAnything, Inc.
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BAK BAKFlip MX4 Folding Tonneau Cover BAKFlip MX4 Folding Tonneau Cover - 448203

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Product Info
  • Click here for Installation Instructions (PDF)
  • Which BAKFlip Tonneau is best for me? (PDF)
  • Premium-density foam core is 1.5x thicker than in the standard BAKFlip G2 Tonneau and supports up to 400 lbs of evenly distributed weight
  • Matte black finish offers the highest level of UV-resistance
  • Special instructions are included for the most watertight fit on the market
  • 3rd brake light remains visible when cover is propped open
  • No-profile panels fold up in seconds, allowing quick, full bed access
  • Sturdy prop rods allow you to drive at highway speeds with the cover open
  • An integrated buckle system secures the cover in the folded position for 5th wheel towing or partial bed protection with no bungees or additional straps
  • Compatibility with most bed extenders, under-the-rail bed liners, under-the-rail toolboxes, bed rails, and truck racks
  • Tailored to your truck bed (shorter sizes feature 3 flip panels, while extended beds boast 4 panels for complete coverage)
  • No-drill installation takes 30 - 45 minutes and requires only a few basic tools
  • The Bak MX4 features an industry leading 5 year warranty
  • New design updates as of 10/7/2019: Matte finished cab corner caps, rail-end caps, clamps, and elevator bolts for an even more refined look and feel

Whether you’re transporting a load of furniture to a new house or want to keep your gear out of the weather and away from prying eyes, your stuff deserves the ultimate in open-road protection – the BAK BAKFlip MX4 Folding Tonneau Cover, of course.

Up or down, the BAKFlip MX4 tonneau cover offers full truck bed access thanks to an integrated tailgate seal and long-lasting latch housing components. The truck bed cover has sturdy prop rods on each side, you can even drive at normal highway speeds with the cover fully open. With everything secured by the integrated buckle system, everything will stay in place, and traffic behind you will still have full visibility of your third brake light.

The MX4 sits flush with your bed rails when closed, giving your truck a clean OEM look and feel. Manufactured from heavy-duty aluminum panels – with panel skins 1.5x thicker than the BAKFlip G2 – this tri-fold tonneau cover combines functionality, durability and rugged good looks. And we haven’t even mentioned the dense foam core yet. Well, now we have. Finally, a UV- and scratch-resistant matte black finish and low-profile fit make for a super sharp look from any angle.

But perhaps the most impressive feature of the BAKFlip MX4 folding tonneau cover is the maximum weight rating of 400 lbs! So, you don’t worry about it caving in any time soon. And the manufacturer-backed 5-year warranty will give you peace of mind should any other mishaps happen.

You’ll be happy to know that your new BAK BAKFlip Folding Tonneau Cover doesn’t require any drilling and can be fitted to your truck with a factory-installed look in 30-45 minutes. Plus, you’re still covered by the AutoAnything return/exchange policy and our lowest price guarantee.

Frequently Asked Questions

How secure is the BAKFlip?
Out of sight, out of mind has a significant value in any truck bed cover, but you can lock your cargo secure by simply locking your tailgate. This makes the pull cables which release the cover become inaccessible and turn your truck bed into a lockable storage compartment.

Will BAKFlip damage my cab if its flipped up against the cab?
No. BAK uses D-shaped bumpers to prevent any direct contact between the cab, the back window and your BAKFlip.

Can I drive with the BAKFlip folded open?
Yes, new straps and buckles have become standard on new BAKFlip models. Strapping the cover down flat on the rails behind the cab allows incremental access to the bed and improved rear window visibility. 

How do I lock the BAKFlip if my truck does not have a tailgate lock?
If your truck does not have a locking tailgate, a Pop & Lock or similar lock can be added to your truck to complete the bed security. Sold separately available at AutoAnything.

Is my BAKFlip waterproof?
Ultimately no truck bed cover is totally waterproof. However, if properly installed the BAKFlip in a leader in its class at keeping the bed dry. Although gaps at the tailgate and other areas of the bed can allow minimal water in, there are also special installation techniques to become the most watertight fit possible.

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