Can You Keep Up?
#2
MBWorld Fanatic!
Join Date: Feb 2007
Location: Madison WI
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2003 SL55, 2010 C63
It has stock exhaust but since it has the LED tail lights, it's probably got the VQ35HR engine in it which is really easy to modify. If it's got FI under the hood then depends but if it's stock then there's nothing to worry about.