Comparing the BAKFlip MX4 and BAKFlip F1 Hard Tonneau Covers for a 2024 Ford F-350 Super Duty
Updated 01/19/2026 | Published 07/31/2024
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Question:
What is the actual difference Bakflip MX4 cover F1 cover
asked by: Jack T
Expert Reply:
Thanks for reaching out, Jack!
The BAKFlip MX4 Hard Tonneau Cover # BAK48330 has an aluminum construction both for the rails and the panels, while the BAKFlip F1 Hard Tonneau Cover # BAK72330 has aluminum rails but fiberglass panels with aluminum undersides.
The all aluminum panels are a little bit more sturdy and can support up to 400 lbs of evenly-distributed weight, while the fiberglass/aluminum panels are more lightweight and will keep your truck bed slightly cooler.
I recommend going with the MX4 because it's just a stronger cover overall.
Product Page this Question was Asked From
BAKFlip MX4 Hard Tonneau Cover - Folding - Aluminum - Matte Finish
- Tonneau Cover
- Fold-Up - Hard
- Rack Compatible
- Opens at Tailgate
- Tailgate Lock
- Flush Profile - Inside Bed Rails
- Aluminum
- Matte
- BAK Industries
more information >
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on Tonneau Cover
Robin H.
1/19/2026
Hey Jack, how did things turn out with the MX4 cover for your truck? Did the sturdier aluminum panels give you the strength and look you wanted? Your update could make it easier for others choosing between the MX4 and F1.