Universal Fit Single 10" Subwoofer Sealed Replacement Spare Tire Custom Sub Box | 1X10-SPAREBOX
Ford Excursion Subwoofer Enclosure - Spare Tire - SRQ Customs
Spare tire Ported Subwoofer Box - YouTube
Spare tire fiberglass subwoofer | PriusChat
Subwoofer box using the spare tire | DIYMobileAudio.com Car Stereo Forum
How to make custom spare wheel subwoofer enclosure without fibreglass or stacking - YouTube
For those of you who want more bass but don't want to sacrifice your spare tire or hatch space, I highly recommend this spare tire mount subwoofer : r/GolfGTI
JBL BassPro Hub Powered 11" subwoofer enclosure with 200-watt amp — mounts to hub of spare tire at Crutchfield
Custom Invisible Subwoofer Enclosure for Your Spare Wheel Recess : 5 Steps - Instructables
American Sound Connection Universal Fit Single 10" Subwoofer Sealed Replacement Spare Tire Custom Sub Box : Electronics - Amazon.com