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r1 2019

  1. “ECU reflash for aftermarket exhaust systems” - is it needed?

    2015 R1 Performance Group
    Im looking for an aftermarket 3/4 exhaust for my 2019. I keep hearing about getting ECU tuned after replacing stock exhaust with aftermarkets. Do we really need to get ECU flashed? I’m happy if it delivers the power and speed as much as we get with a stock exhaust. So do i need ecu flashed and...