The GPF-Back exhaust system by RCP Exhausts for the latest A45S AMG is a structure consisting of 5 elements. The ends are matched to the serial dummies in the bumper, and the valve works with the serial control.

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Technical data::
Diameter: 3.5″ -> 2 x 2.75″
Material: T304L stainless steel
Valves: yes
Plug & play installation: yes