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 8P subwoofer w boczek Audio System M08 R08 - YouTube
Original Subwoofer Audi A3 8P Cabrio 8P7035382 Lautsprecher Blaupunkt Woofer | eBay
Fermée Subwoofer Bass Woofer MDF Caissons de basses pour Audi A3 8p Sportback | Achetez sur eBay