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I have a 2018 yfz 450 with a full yoshimura exhaust, a fuel customs intake and ais delete, what map and fuel ratio numbers should I run
 

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Map is up to you, depending on what you want. I would try out a couple to see how they perform. For the fuel, usually you can start at 5-5-5 and adjust from there based on how it runs.
 
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