QBGMC1220144DR

The QBGMC1220144DR is a custom-fit ported downfire subwoofer enclosure designed specifically for 2014-2018 Chevrolet Silverado and GMC Sierra Crew Cab trucks. Built for high-output bass performance while maintaining factory cabin space, this enclosure delivers deep, powerful low-frequency response with a clean OEM-style appearance.

Features & Benefits

• Custom-fit enclosure for 2014-2018 GM Crew Cab trucks
• Designed for dual 12-inch subwoofers
• Ported downfire enclosure configuration
• Underseat mounting design
• Heavy-duty MDF construction
• Durable spray-on bedliner finish
• Maximizes bass while preserving cabin functionality
• OEM-style fit and appearance
• Excellent for daily-driver and high-output systems

Specifications

• Product Type: Vehicle-Specific Subwoofer Enclosure
• Model: QBGMC1220144DR
• Subwoofer Compatibility: Dual 12-inch subwoofers
• Enclosure Type: Ported / Downfire
• Vehicle Fitment:
  • 2014-2018 Chevrolet Silverado Crew Cab
  • 2014-2018 GMC Sierra Crew Cab
• Mounting Location: Under rear seat
• Construction Material: MDF wood
• Finish: Spray-on bedliner coating
• Air Space: Approximately 1.5 cubic feet per chamber
• Maximum Mounting Depth: Approximately 6 inches
• Port Tuning Frequency: Approximately 35Hz–38Hz

Vehicle Compatibility

Compatible with select:

• Chevrolet Silverado Crew Cab (2014-2018)
• GMC Sierra Crew Cab (2014-2018)

Designed specifically for full 4-door Crew Cab models. Fitment may vary depending on factory storage trays, Bose audio systems, and seat bracket configurations.