BAK 448132 BAKFlip MX4 Hard Folding Tonneau Cover Matte Black Aluminum

The BAK Industries BAKFlip MX4 (448132) is a premium hard folding tonneau cover built from heavy-duty aluminum top panels and side rails reinforced with high-density polymer cores. This construction delivers a 22% increase in overall strength over previous generation models, making it one of the most durable flush-mount truck bed covers available.

Key Features:

• Heavy-duty aluminum construction — alloy top panels and side rails with polymer-reinforced cores for superior rigidity
• Rated to support up to 400 lbs of evenly distributed weight on top of the cover
• Patented auto-latching system — automatically secures the cover when closed; re-engineered lock components provide enhanced resistance to forced entry
• Premium EPDM rubber perimeter seals — revised seals and tight-fit clamps deliver all-weather protection, preventing seepage between the cover and bed rails
• Dual-action tailgate seal — allows the tailgate to open and close freely regardless of cover position
• Textured matte black finish — UV-resistant and scratch-resistant with matte-finished cab corner caps, elevator bolts, and clamps for a clean, integrated look
• 3-panel / 2-fold design with front hinge — panels fold toward the cab for 100% bed access; cover can also be flipped up entirely when folded
• Injection-molded latch housing — pre-molded, die-cut shock-absorbent bumpers and upgraded prop rod clips for long-term durability
• No-drill, clamp-on installation — redesigned rail and clamp system for straightforward installation in approximately one hour
• Low-profile flush-mount design — sits level with bed rails for a seamless, factory-integrated appearance
• Third brake light visibility maintained in all cover positions
• Made in the USA and backed by a 5-year warranty against manufacturing and material defects

The BAKFlip MX4 is a heavy-duty, all-season truck bed cover engineered for everyday use in extreme conditions. Its combination of security, weather resistance, and full bed access makes it a top choice among hard folding tonneau covers for truck owners who demand both function and style.