2015 Subaru WRX STI: Honing The Edge

Photo: Benjamin Hunting
The 2.5-litre turbocharged four-cylinder engine chuffing away through its uneven-length exhaust headers produces 305 horses and 290 lb-ft of torque.

Photo: Benjamin Hunting
The 2.5-litre turbocharged four-cylinder engine chuffing away through its uneven-length exhaust headers produces 305 horses and 290 lb-ft of torque.

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