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Single 12-Inch Vented Carpeted Subwoofer-Enclosure for Select 2007-2020 Chevrolet-Silverado or GMC-Sierra HD-Crew-Cab Trucks CLICK HERE TO VIEW SUBWOOFERS THAT FIT THIS BOX! Installation Note: Does not fit Xcab, New body style Silverado or GM Sierra CrewCabs. Custom down fire fit under the rear seat, the enclosure will only fit heavy-duty crew cabs (1500, 2500, 3500) Single 12" Vented Subwoofer Enclosure Designed specifically for 2007-2020 Chevrolet-GMC Silverado / Sierra Crew Cab Premium Carpet Finish Underseat Upfire No Modification is required Easy drop-in installation 5.5" Mounting depth Installation Note: Does not fit Xcab, New body style Silverado or GM Sierra CrewCabs. Custom down fire fit under the rear seat, the enclosure will only fit heavy-duty crew cabs (1500, 2500, 3500) Specifications Configuration: Single Vented Finish: Charcoal Carpeted Width: 28.88" Height: 4.50" Depth: 17.75" Max Mounting Depth: 6.50" Gross VolumePer Sub: 1.50 Net Volume Per Sub: .95

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