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
A guide to upgrading the sound system on A3 8v (so that it's Hi-Fi and better than the B&O system) | Audi-Sport.net
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For Audi A3 8v 10 Channel Upgrade 12 Channels Front Midrange Speaker Wire + Rear Subwoofer Wire Cable - Fuses - AliExpress
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