Amazon.com: Fierce Audio 12" Inch Sealed Shallow Mount Subwoofer Wedge Style Enclosure for Trucks, Hatchbacks and Tight Spaces : Electronics
Amazon.com: American Sound Connection Single 12" Subwoofer Regular Standard Cab Truck Sub Box Enclosure 5/8" MDF : Electronics
Bbox Single Sealed 12 Inch Subwoofer Enclosure - Car Subwoofer Boxes & Enclosures - Made in USA Premium Subwoofer Box Improves Audio Quality, Sound & Bass - Nickel Finish Subwoofer Terminals - Black - Newegg.com
12" single Compact High Performance Glue it & Screw It Sub Enclosure - GP Car Audio
CT1X12 - Single 12” Car Subwoofer Box - CT Sounds – CT SOUNDS