Can Someone Confirm The Correct Bulb Fitment

[W88CHY]

Hi folks

Can someone confirm the main beam bulb fitment on the 2002 Impreza WRX STi Prodrive?

I know WRX bugeyes have H4, but I have had conflicting info that the STi bugeye has H7 or H1.

Cheers

Charlie

[scouk]

Bugeye STi Full Beam bulb is HB3

Dipped (Projector): H1

I replaced my Full beams with Philips blue vision HB3 bulbs and recently fitted a HiD kit to the dipped projectors.. MUCH better

To confuse the issue, the "prodrive" headlights fitted to the likes of the UK300 I think are different...