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Hello i recently installed the valvetronic agency power exhaust , i just wan to know what the buttons on the back locate it on the back of the electronic module
What are those buttons for? And also that orange swicht
2012 C63;1971 280SE 3.5(Sold);2023 EQS 450 SUV 4 Matic (Wife's)
The reason MBH makes more is that they are long tube and the Agency Power are mid length. The difference might also be affected by the dynos and ambient conditions as well as other supporting mods.
11-03-2016, 03:35 PM
