Subaru launched three interesting variants of the new Impreza at London. There's the 252 bhp WRX-3, the 325 bhp WRX 3TI 3303 and the 375 bhp WRX 3TI 3803 Concept in the pic. All three have been fettled by Prod rive The WRX-3 comes with a new exhaust and ECU retune to attain its 252 bhp, with an increase in torque as well. It's 06 seconds faster to 100 kph, plus bits.

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The 3TI 3303 gets all that, still more power and stainless exhaust tips and another 04 seconds shaved from the 100 kph time. The Concept, due for sale in time, is the serious one Prod rive rebuilt the motor, modded the pipe and reworked the ECU, while steroiding the body kit, strengthening the suspension and adding 18-inch BBS wheels and massive rubber.