Originally Posted by ChrisSlicks

Handling wise the differences are 1" wider wheels, 20mm and 30mm wider tires, and a Viscous LSD. Is it valuable? That depends on the driver. If you only drive in straight lines in rush hour traffic it isn't going to do anything for you, but mountain carving you will. Of course you can buy the wheels and tires later, as well as a LSD. The only thing you can't get later is the Syncro rev match manual transmission.