Yeah the dust cap is pushed in...at least that is what he said on another forum and thus the reason he's selling it this cheap. He says it does not affect the performance.
I came across this post from a long time ago don't know if anybody will read this but I also have one of these 15 inch ground zero subwoofers my cage is not Chrome it is all black though but it is definitely the first ones they came out with I had two but one got crushed at the junkyard they were my friends and he had them in my car we want every single speaker competition we went to
Thank you for your interest in CarAudioClassifieds.org. A forum community dedicated to Automotive Audio enthusiasts. Come join the discussion about builds, modifications, troubleshooting, models, styles, reviews, classifieds, and more!