Audi A4 2001 Subwoofer install. 15 inch ported box and Shockwave subwoofer. - YouTube
Team Monetization Sent You Warning, See Why - Our b7 Audi Avant with our IB-24 subwoofer in the spare tire well. Will be completely stealth when finished. Can't wait! ______ Follow our
BASSER Audi A4 B6/B7 - 10" Fit-Box Subwoofer Enclosure 15L
How to Remove Subwoofer and Amp (Avant) - Audi A4 S4 RS4 - B6 B7 - 2001-2008 - TOTAL TECHNIK - YouTube