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Discussion Starter #1
Hi guys'

I got the ECU piggyback installed and the A/F is already set.

But when i change the Intake. will it effect the A/F Ratio? or i have to retune it?


Cheers
 

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Your A/F ratio might alter in the short term, then your ECU will re-adjust to run at the levels you've set it at.

As Daking said - no HP increases, but it does sound heaps better
 
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