Warning: This is 3.0 Edition material. It is possible that there is more recent 3.5 Edition version.
Inaccurate?

Efficient Item Creation

( Epic Level Handbook, p. 53)

[Epic]

Select an item creation feat. You can create magic items using that feat much more quickly than normal.

Prerequisite

Knowledge (arcana) 24 ranks, Spellcraft 24 ranks, Item creation feat to be selected,

Benefit

Select an item creation feat. Creating a magic item using that feat requires one day per 10,000 gp of the item's market price, with a minimum of one day.

Special

You can gain this feat multiple times. Its effects do not stack. Each time you take the feat, it applies to a different item creation feat.

Normal

Without this feat, creating a magic item requires one day for each 1,000 gp of the item's market price.