M.A.P Audio & Customs - Custom made fiberglass 8" subwoofer enclosure for an audi a3 8v. This was hand made with mdf rings and support braces. It was then fiberglass and covered
AUDI A3 8V SUBWOOFER 8V0035382D
Audi A3 8V Ground Zero GZCS 10SUB 300W 25cm Subwoofer Spare Wheel Bassbox 4037072016604 | eBay