Single 10" Custom Kerf Ported Subwoofer Box - Down4Sound Shop
Dual 12 Inch Car Audio Vented Sub Box Ported Stereo Subwoofer Speaker Enclosure - Walmart.com
Gately Acrylic Enclosures – Gately Audio
Amazon.com: QPower QBOMB12V Dual 12 Inch Subwoofer Box with Bedliner Spray for Speakers, High-Performance Vented Subwoofer, Durable Sub Box, Black : Electronics
How to build a subwoofer box
2014-2018 Chevy Silverado GMC Sierra Center Console Subwoofer Box 1x12 Ported | eBay
BLACK 12" SINGLE COMPETITION PORTED SUB BOX
2015-2022 Mustang Subwoofer Box | Phantom Fit - AudioDesigns CG Store
Dodge Charger Subwoofer Box 2011 and up (Super Custom!) - AudioDesigns CG Store