The Q Power GMC1020144DR is a custom-fit dual 10-inch down-firing subwoofer enclosure designed specifically for 2014–2018 Chevrolet Silverado and GMC Sierra Crew Cab trucks. Engineered for strong low-frequency performance while maintaining valuable cabin space, this enclosure mounts neatly under the rear seat and features a down-firing design that helps protect subwoofers from cargo damage and daily wear. Constructed from durable MDF wood and finished with a rugged spray-on bedliner coating, the GMC1020144DR delivers deep, clean bass with a factory-style appearance and long-lasting durability. Features & Highlights Custom-fit dual 10-inch subwoofer enclosure Designed for 2014–2018 Chevy Silverado & GMC Sierra Crew Cab trucks Under-seat down-firing enclosure design Durable spray-on bedliner finish Protects subwoofers from cargo and impact damage Space-saving OEM-style fitment Heavy-duty MDF wood construction Designed for strong low-frequency bass response Compatible with most shallow-mount 10-inch subwoofers Ideal for aftermarket truck audio systems and daily-driver installs Crew Cab only — does NOT fit Double Cab models Specifications Specification Details Enclosure Type Dual 10" Sealed Down-Firing Vehicle Fitment 2014–2018 Chevy Silverado / GMC Sierra Crew Cab Subwoofer Size Dual 10-Inch Configuration Under-Seat Down-Fire Material MDF Wood Construction Finish Spray-On Bedliner Mounting Style Under Rear Seat Enclosure Style Sealed Air Space Approx. 0.64 cu. ft. per subwoofer Speaker Compatibility Most Shallow-Mount 10" Subwoofers Cab Compatibility Crew Cab Only Application Truck Audio Systems
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