The infamous 1000whp STi, got to see this monster in person in Farmington, CT last summer. Talk about a sleeper at that show. It can dust lambos, Ferraris, Porsche 911's and mclarens :
1000-HP Subaru WRX Rally Car Sound - Tarmac Rally Subaru Video
Adelaide proud: Willall Racing's insane 1000hp wide-body WRX takes on the world. - Carligious