Installation Time
(approx) 1 Hour
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
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$144.99 each
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Features, Description, Q&A, Specs & Installation
Compact Bass Enhancement. This Subwoofer Box is the perfect upgrade for audio enthusiasts who want enhanced bass without overwhelming their cabin space. Designed for 2015-2019 GMC Sierra 2500 HD Crew Cab models, it accommodates (2) 8-inch subwoofers in an extra deep, down firing configuration. The box delivers clean, punchy bass while preserving under-seat storage and interior functionality.
Construction and Appearance. Finished in matte black carpet, the enclosure offers a clean, factory-style look that blends seamlessly with your truck’s interior. Built from durable 5/8-inch MDF material, it’s engineered to reduce vibration and maintain structural integrity. Each side provides 0.63 cubic feet of internal air volume and a generous 6.5-inch mounting depth—ideal for compact yet powerful subwoofers. Measuring 54 x 11 x 16 inches, it balances size and performance effectively.
Installation. This subwoofer box is designed as a direct replacement for Crew Cab setups and installs easily beneath the rear seats. Its adaptable construction fits securely using standard speaker mounting methods and requires no cutting or extensive modifications.
Application. This Subwoofer Box fits 2015-2019 GMC Sierra 2500 HD Crew Cab Models. With its extra deep design and efficient use of space, it provides powerful bass response while keeping your truck’s cabin clean and functional.
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Installation Info
Installation Time
(approx) 1 Hour
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
What's in the Box