After years of speculation, Subaru has unveiled the WRX STI S210 Prototype ... However, the absence of the advanced differential systems typically found in STI models raises questions about ...

For the uninitiated, the WRX STI's DCCD allows the center differential locking to be dialed ... along with newly developed rear stabilizer bushes. The braking system incorporates Brembo front ...

The WRX STI provides a rally-bred drivetrain and ... slip front differential and a TORSEN® torque-sensing limited-slip rear differential optimize side-to-side torque distribution.

Unfortunately, there's no word on any differential upgrades as is typical of WRX STI products — another ... important being the big carbon-fiber rear wing. Subaru fitted specially-developed ...