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AutoTune install on Akrapovic system HELP


Jun 10, 2019
Stock o2 sensor is smaller of the two sizes. The autotune sensor is bigger than stock because it is the wide band version.

You will need a bung if the akra pipe doesn't use a reducer for the stock sensor.
Have asked Honda Service guys in my country they say the stock bung is of 18mm, don't know whether Akra gives a smaller bung
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