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Discussion Starter #1
Sorry i don't have the specific figs to hand, but in the print off you get when picking up your GTR the warranty information states that if boost is over a certain threshold on stock levels then the modified parts need replacing, then the next level engine components need changing followed by transmission. Similar story with the AFR ratios.

How does this transpire when it comes down to COBB stage 1 and stage 2?

How much additional boost does the car run with both of these maps and how is the AFR ratio changed?

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