Classic: Porsche 993 Cabriolet Leave a Comment / Audio, Custom Fabrication / By Ultra Auto Sound Rear seats never used. Time to hide two 10″ subwoofers. Custom enclosures made as small as possible without sacrificing sound quality. seats can still be moved back to its furthest position without hitting the subwoofer. JL Audio 10TW3 used for this perfect application. Looks stock! Sounds amazing Share This:FacebookTwitterEmailLike this:Like Loading... Related