Audi A3 Bose Speaker Set W Subwoofer 8p4035382a OE Fits AUDI 2006 2006-2012 | eBay
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