C43 performance exhaust
#2
MBWorld Fanatic!
Join Date: Nov 2018
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2019 C63CS
Wrong forum. The C43 forum is here: https://mbworld.org/forums/c450-c43-amg-216/.
#3
Member
Sounds normal. Going i side a tunnel or park next to a sidewalk and rev it. When I do it on my C63S I can hear the flaps rattling. Was yours in comfort of sport mode when revving?