Quote:
Originally Posted by aroundincircles
Cool, does it add anything to power? In my experience with other cars, a CAI doesn't make any difference unless you also program the ecu.
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When they do add any power, it's by a very small amount, not under all conditions. But if the IAT (intake temp) gets past a certain point, spark timing will be reduced by the PCM, which reduces power. Excessive coolant temps will also reduce timing. Nothing really stops a heat soak; in some cases more metal tubing in the intake tract will be hotter than plastic OEM type tubing. On the track after a cool-down, a CAI may get you a little more power.