I'm sure it took some time for after market exhausts to come out for the OG back in 2015/2016. There is talk that BMW will build upwards of 30,000 units of this model (similar to OG #'s) and if the only major complaint from buyers is the exhaust (be it for sound or aesthetics), the aftermarket will certainly not want to miss that boatload of $$. You guys just need to be patient.
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