Ebay usually has the front speaker covers. Check those regularly. It's easier too find than rear hatches as it's shared across coupe/hatch.
Not sure where you're located, but I usually:
1.) check Ebay
2.) Check local CL ads for part outs/ parts for sale (asking for something that's not for sale is also possible).
3.) Use search engines like allofcraigslist.org to find part-outs in different states (they'll usually ship something small like that).
4.) Try Aussie/Canadian sites like kijji or gumtree
Good luck!
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