Quote:
Originally Posted by Mike@N54Tuning.com
91-92 octane is pretty bad. Don't expect much over Stage1 tuning with it. Maybe a handful of HP, some additional torque, and less lag.
For the +4psi setting only the 'boost over stock' field is changed.
Mike
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Thanks!
Do you have a direct link to the N55 software I need to download to tinker with the boost?