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) REAR SPEAKER UPGRADE ONLY... - SCR Distribution | Facebook
8V0-035-382-C - Audi Trunk Subwoofer Rear 2017-2018 Audi A3 Sportback e-tron | Audi Parts Store
2016 AUDI A3 (8V) SEDAN - RADIO STEREO SUB SUBWOOFER TWEETER SPEAKER SET-10 | eBay