Subaru has revealed the WRX S4 Prova cocnept at the 2015 Tokyo Auto Salon. Prova is the Japanese automaker's tuning partner who specializes Subaru performance body kits.

The exterior of the vehicle is fitted with a DAMD body kit which includes a new front and rear bumpers. The body kit enable the vehicle to look sportier and more aggressive. The WRX S4 Prova also features carbon fiber side skirts and rear wing. In addition, it has 20-inch black alloy wheels from Enkei. Aside from the exterior upgrade, the vehicle has Ohlins suspension along with high-performance brakes.

Inside, the notable design changes can be seen on the Alcatara steering wheel and Recaro sport seats. Other than the said components, the interior of the WRX S4 Prova is similar to the standard model.

It is powered by a 2.0-liter four-cylinder engine that delivers 300 PS and 400 Nm of torque. Subaru says the engine comes with a sports exhaust system and a Fujitsubo Super Ex exhaust manifold.