Quote:
Originally Posted by marcielago
My F10 550i dynoed stock at 320 whp at a Mustang Dynomemeter. Not sure if the versions of the Mustang dyno give different numbers. Haven't got to re-dyno since I installed the AR Downpipes and Hartge ECU. Will post if done.
So is Dinan Stage 2 just an ECU tune?
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Mustang Dynos are notoriously lower reading than most other Dynos out there. As Alextremo said, the only important thing is the delta between the stock and tuned runs.