If you're deadset on some superwhite bulbs, I remember seeing some Hiper bulbs in 3157 format at
www.autotoys.com I had considered getting a set but decided just getting rid of the reflector was enough for me.

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P. Valdez
Las Cruces, NM
1999 navy blue SE
Zetec ATX
If you must drink and drive, drink PEPSI!
My Car's Page!