Oct 12 is dyno on uprev tune and then flash to stock and dyno..
Install headers after that.
Oct 13 is dyno with headers and hfc on stock and uprev then retune to ecutek
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Tuned by (Seb@Specialty-Z)
2011 G37 Cam'd FBO 347whp 280wtq Corn Fed 4.08 Gears
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