Ha, an old thread, but the 1st thing I thought was the Cat as I've been down this road.

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2002 C230 Sport Coupe- Orion Blue
ASP Pulley-Supersprint Header-Remus Muffler-
Magnaflow Cat.
TIEN SS Coilovers-
AMG Sways, Wheels, BBK
Tinted windows and tails...