Universal Front Bumper LIP Spoiler GTR EVO STI WRX RX7 RX8 DC2 DC5 EG EK9 AE86 | eBay
i bought this and got some metal rods and screws and installed it on my wrx, i mean it doesnt look like the real sti ones but was only about $50 all up if your looking for cheap way
this is what my car looks like now