No manual accord v6 for your model years 98-2004, this is true.
The new accord does have a manual on the V6. I have no clue if they work/match/or are even swappable, but it won't be cheap, becuase it's only the new cars that come with one. Probably around $2000 for the transmission plus all the parts and work, if it even fits. way too much.
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2002 Subaru WRX
1988 Honda Civic Hatch