BAK Industries 448101 BAKFlip MX4 Hard Folding Tonneau Cover

The BAK Industries BAKFlip MX4 (Model 448101) is a premium hard folding tonneau cover engineered to deliver superior protection, security, and style for full-size pickup trucks with 6.5 to 6.6-foot beds. This Gen 3 evolution of America's best-selling truck bed cover combines heavy-duty construction with sleek, low-profile design for both form and function.

Heavy-Duty Aluminum Construction:

• Alloy-based construction with heavy-duty aluminum top panels and side rails
• Reinforced with high-density polymer cores for 22% increase in strength over previous generation
• Aircraft-grade aluminum panels with matte black finish for superior UV and scratch resistance
• Rated to support up to 400 lbs of evenly distributed weight
• Flush-mount design sits inside bed rails for sleek, integrated appearance

Advanced Security Features:

• Patented auto-latching system automatically secures panels when closed
• Upgraded lock components provide enhanced resistance to tampering and forced entry
• Panels lock securely once tailgate is closed for theft-resistant protection
• Can be locked in multiple positions for versatile cargo hauling

All-Weather Protection:

• Revised EPDM perimeter seals with tight-fit clamps prevent water intrusion
• Integrated dual-action tailgate seal allows operation with tailgate open or closed
• Tested in extreme conditions from -40°F to 180°F and humidity up to 95%
• Protects cargo against rain, snow, dust, and harsh weather conditions

Full Bed Access and Versatility:

• Four-panel folding design allows complete bed access when needed
• Folds flat against cab without blocking third brake light
• Pre-molded, die-cut shock-absorbent bumpers for smooth operation
• Secure prop rod clips hold cover in open position
• No drilling required for installation on most applications

Easy Installation:

• New click-in rail mounting system reduces installation time by 12%
• DIY-friendly installation in under 30 minutes
• Matte-finished clamps and hardware for streamlined appearance
• No additional tools or assistance required

Proudly assembled in Missouri using globally sourced materials and backed by a comprehensive 5-year limited warranty. The BAKFlip MX4 delivers the perfect balance of security, durability, and style for truck owners who demand the best.