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While we’re thrilled to have the new 2011 WRX STI on sale here, as usual, Subaru Japan has one-upped the U.S. offering with the new 2011 WRX STI Spec C. The Spec C packs 304-hp and 317 lb-ft of torque from its 2.0L powerplant thanks to a revamped ECU and ball-bearing twin-scroll turbocharger.
In addition to the revised turbocharger and ECU, Subaru equips the Spec C with a mechanical rear limited-slip differential and the front chassis has been reinforced with a new cross member. To lighten up the load on the WRX, the hood has been swapped out for an aluminum version, there is a smaller battery and lightweight 18-inch wheels wrapped with Bridgestone Potenza RE070 tires. Optional equipment includes the ever-popular Recaro seats.