Audi A3 Bose Speaker Set W Subwoofer 8p4035382a OE Fits AUDI 2006 2006-2012 | eBay
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Subwoofer Audi A3 Sportback 1.8 TFSI 16V - 8P4035382B BLAUPUNKT
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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
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Audi A3 8L 2002 Subwoofer Stereo Standard | eBay
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Alpine - SPC-300A3 Premium Alpine Sound System for Audi A3, S3, RS3
For Audi A3 8L Subwoofer Housing for 20 CM 8 Inch Woofer Space-Saving Boot | eBay
Upgrading Audi A3 OEM Subwoofer with aftermarket 8" JBL woofer and DS18 Candy Amp in stock location. - YouTube