generic automotive carpet?

[BustedS13]

where can i buy some grey carpet for a little interior project?

i guess what you'd use for a sub box. where can i get like, four or five yards of that locally?

[mr.jdm]

i was at kragens the other day getting spark plugs and i noticed they had do it yourself carpet kits

[GSXRJJordan]

partsexpress.com - has all the interior carpet that installers use for car audio.

Locally? See an upholstery shop - they're still around, and that's what they do.