For Audi A4 B6 B7 8E Saloon Subwoofer Housing for 25 CM Woofer Space-Saving | eBay
BASSER Audi A4 B6/B7 - 10" Fit-Box Subwoofer Enclosure 15L
02-05 Audi A4 S4 B6 Avant Wagon OEM Bose Subwoofer 8E9035382C Sub Woofer Speaker | eBay
Stereo Integrity - 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 IG, FB and Twitter and