3 12" NXS subs in Audi A3 | Car audio installation, Car audio systems, Car audio
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
FBaudi01 Audi A3 8L Fit-Box subwoofer enclosure
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Trunk Subwoofer Speaker Box Sub 06-08 Audi A3 - 8P4 035 382 B | CarParts4Sale, Inc.
How to fit and install power and RCA cables in your Audi A3 8L - YouTube
Basser - FBaudi02 Audi A3 8P Fit-Box subwoofer enclosure
For Audi A3 8PA Subwoofer Housing 20 CM 8 Inch Woofer Space-Saving Boot 4047442079405 | eBay