What kind of Exhaust upgrade has been done for the DTM Safety car,

It sounds awesome..

http://www.youtube.com/watch?v=xq1TFAIOd38

http://www.zercustoms.com/news/Merce...afety-Car.html



and whats that cooling fin under the rear diffuser

IDK But i WANT THAT

That seems to be the best balance of aggressiveness and throatiness in an exhaust. Just perfect.

That fin is probably the differential cooler