The glass on my foglight is broken. Does anyone know where I can buy new ones online (Perth supplier would be ideal)?

Have you tried JWS Japanese Wholesale Spares in Wangara??

http://www.japanesewholesale.com.au/

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....slow and steady wins the race....fark that!!

they are very expensive and since you cant "legally" use them unless driving in adverse weather conditions get STi covers instead..........and peel the stickers off.
or keep an eye on ebay ... often see single foglights up for sale

I have a pair in my cupboard at home bud. In good nic too! PM me...

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MY06 STi