AFR is usually around 12.5-12.8 near redline. Most tuners will richen the AFR and advance the timing to increase power.
You can log the correction % during the "test" runs using the Cipher software.
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08 G35 5AT Sedan | Stillen CBE | Invidia HFC | Injen CAI | Uprev Tune | Akebono BBK | Tanabe Coilovers | Hotchkis Sway Bars | GTSpec FSB | Black Headlights & Grille | Volk GT-F Wheels | Hankook V12 Evo Tires
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