Audi RS5 Spied Getting A Workout On The 'Ring

The upcoming Audi RS5 » 10/07/08 8:30am 10/07/08 8:30am has posed for a picture near the Nurburgring, strangely sporting quad pipes more reminiscent of the S-line cars rather than the dual ovals of the RS. And an S5 rear badge. The discrepancy is leading some to speculate that this is a mule using an S5 body — that or we've been misled about the…