E53 custom subwoofer with square speaker
 

This is a custom subwoofer enclosure for a E 53. Includes plastic peace pre-cut so install is quick. $150 shipped to the lower 48


https://i.ibb.co/YWrjbcm/E00944-A7-4...AB836-CDD0.jpg

Is that welding visible when installed? More close up pics?

No the epoxy is not visible. I will upload more photos when I’m home in a few days.
Ps. I used a piece of cardboard to make a template. Then I cut out the plastic/carpet door to fit around the grill of the speaker. When done all you see is the grill. I did not include the door.

FYI. If anyone wants to sell their stock E53 sub enclosure I will purchase it for $50.00 example photo below.
https://i.ibb.co/QPqZbmz/AD87-DF9-D-...-F964712-A.jpg
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Bump

What size is the max size of subwoofer would fit in that custom enclosure? Yeah, if I buy yours, then I won't need mine and I can sell it to you :D.

I think that sold already. Max size is 10 in.²

Are you building custom subwoofer enclosures for the E53, by any chance?