LAB PreFab™ Sealed Downfire MDF Enclosure Box for Single 10" Car Subwoofer
Atrend BBox Series Subwoofer Box for GM Vehicles (12" Dual Downfire) in the Interior Car Accessories department at Lowes.com
BBox Series Single Sealed Shallow-Mount Downfire Enclosure (12") - Catalog
Atrend Bbox 12AME 12-Inch Single Sealed Shallow Mount Downfire Enclosure, black (12AME, Pro Tuned 12” Single sealed, down fire, shallow mount.., By Brand Atrend - Walmart.com
Jeep Wrangler JKU Unlimited Sub Box Jeep Wrangler JKU