fiber glass isnt really an option cause its too heavy and would slowly rip the door hinges out of their mounts. my sub box is fiberglass mounted to the bottom of back seat and the weight it adds is noticable when i lift seat up, wanting to stay with something alot lighter. i've seen semi-custom ones used for restorations/customizations in the past but they were older vehicles. nothing like that for the 99+ yet?
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