Spare Tire Well Speaker Box Sub Subwoofer Enclosure 12" Ported – AK Audio
Spare Tire Well Speaker Box Sub Subwoofer Enclosure 10" 0.5 cuft of Ai – AK Audio
JBL Stadium BassHub Passive sealed enclosure with 11" dual 4-ohm voice coil subwoofer — mounts to hub of spare tire at Crutchfield
Sennuopu Car Spare Tire Active Subwoofer Built in amplifier Class AB 1 – Sennuopu Audio
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
Custom Invisible Subwoofer Enclosure for Your Spare Wheel Recess : 5 Steps - Instructables
Custom trunk subwoofer enclosure with storage for amplifier, spare tire, and jack. | Autos y motos, Autos, Autos vw
Custom Invisible Subwoofer Enclosure for Your Spare Wheel Recess : 5 Steps - Instructables
Ford Excursion Subwoofer Enclosure - Spare Tire - SRQ Customs
Custom Fit subwoofer enclosure for 18" spare wheel 4047442079740 | eBay