Is it this one, if so, why the extra $$ for Perth WRX folk

2005 SUBARU IMPREZA WRX STI AWD S MY06 Sedan Private Cars For Sale in WA - carsales.com.au[Make%3aSUBARU%2cModel%3aIMPREZA%2cBaseEnabledBadge %3aWRX%20STI%20AWD]&sort=default

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Version 6 Sti
6 Speed, brembos, twin scroll and 2.1 stroker
356hp and 471nm ATW