CVO Technical > Milwaukee-Eight

131 question about auto tune

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Mofo67:
I ran the auto tuner on a couple of M8 bikes with the HD stage 2 TQ cam. I really liked the results and it seemed to perform better the more I rode them. I have the 131 kit ordered and wanted to use the auto tune with the S&S compliant exhaust. The dealer called HDs tech line and they said the headpipe that comes with the kit has a high flow cat and is tuned for optimum performance using on the HD SEPST and stage 4 download, also the header that comes with the kit does not have 18mm O2 bungs. I’m going to stay with the supplied header and downloaded tune for a while and then decide if I want to change things up. I know after 2 years I will change the header, cam and tuner.

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