• BAK BAKFlip MX4 TS
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BAK

BAK BAKFlip MX4 TS Hard Folding Tonneau for 21-25 F-150 5.7ft Bed

BAK BAKFlip MX4 TS Hard Folding Tonneau for 21-25 F-150 5.7ft Bed

$1,449.99 USD
$1,449.99 USD
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449339TS

In stock
  • Calculated shipping — oversized item
  • Ships in 1–2 business days
  • 30-day hassle-free returns
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Key Features

  • Integrated T-slot rails mount crossbars, racks, and cargo accessories
  • Aluminum panels with an impact-absorbing, dent-resistant coating
  • Low-profile design sits flush with the bed caps
  • Folds flat against the cab for full bed access
  • Integrated drainage and EPDM seals route water away from cargo
  • No-drill clamp-on installation
  • Rated for up to 400 lbs evenly distributed when closed
  • Fits the 5'7" F-150 bed incl. Raptor and Lightning; 5-year limited warranty

The BAK BAKFlip MX4 TS (449339TS) turns the 2021-2025 Ford F-150 5'7" bed into a rack-ready cargo platform. This hard folding aluminum tonneau cover adds integrated T-slot side rails so you can mount crossbars, racks, and cargo accessories without sacrificing weather protection.

Key Benefits

  • Integrated T-slot channels accept aftermarket crossbars, racks, and cargo baskets
  • Aluminum top panels with an impact-absorbing coating resist dents and scratches
  • Low-profile design sits flush with the bed caps for a clean look
  • Folds flat against the cab for full bed access
  • Integrated drainage and EPDM seals route water away from cargo
  • No-drill clamp-on installation

Specifications

  • Brand and line: BAK BAKFlip MX4 TS
  • Part number: 449339TS
  • Material: heavy-duty aluminum panels, matte black finish
  • Side rails: integrated T-slot
  • Weight capacity: 400 lbs evenly distributed
  • Bed length: 5'7" (5.7ft)
  • Warranty: 5-year limited

What's Included

  • BAKFlip MX4 TS folding tonneau cover with T-slot side rails
  • Clamps and hardware kit
  • Installation guide

Fitment

Engineered for the 2021-2025 Ford F-150 with the 5'7" bed, including Raptor and the 2022-2025 F-150 Lightning. It is bed-length specific and does not fit the 6'7" or 8ft beds.

FAQ
Can I mount a rack on this cover?

Yes. The integrated T-slot rails let you mount crossbars, racks, and cargo accessories on top of the closed cover without drilling into the truck.

Does it fit the F-150 Raptor and Lightning?

Yes, when equipped with the 5'7" bed. It fits the 2021-2025 Raptor and 2022-2025 Lightning.

Which bed length does the 449339TS fit?

Only the 5'7" bed. It does not fit the 6'7" or 8ft F-150 beds.

Vehicle Fitment
Years Make Model Submodel
2021–2025 Ford F-150 —

Specifications
weight
64.0 lbs
dimensions
70.5 L × 24.0 W × 9.5 H in

Shipping & Returns

Free shipping on orders $250+ (standard items). Oversized items ship at calculated rates.

30-day returns with RMA required. 15% restocking fee, buyer pays return shipping. Defective items returned free with full refund.

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