Subaru and Prova have introduced a unique WRX S4 at the Tokyo Auto Salon.

Subaru and Prova have introduced a unique WRX S4 at the Tokyo Auto Salon.

Starting with the exterior, the model has a DAMD body kit and Enkei wheels with Michelin Pilot Super Sport tires. The car also an Ohlins suspension, high-performance brakes and a carbon fiber rear wing.

Interior changes are limited but Prova installed Recaro sport seats and an Alcantara-wrapped sport steering wheel.

Power is provided by a turbocharged 2.0-liter four-cylinder engine that has been equipped with a sports exhaust system and a Fujitsubo Super Ex exhaust manifold. There's no word on specifications but that standard model produces 300 PS (221 kW) and 400 Nm (295 lb-ft) of torque.

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Subaru WRX S4 Prova unveiled in Tokyo