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The Tunable Induction CAI will provide more air to your engine than the computer can compensate for and you will be running very lean in terms of air/fuel ratio. If you run it without a proper tune, you should get a CEL (check engine light) warning that there is a problem.
The CAI is "tunable" because it allows you to rotate the MAF sensor within the airstream for best performance. This adjustment should be done when you have the car on a dyno so you can monitor the effect when the position of the sensor is changed from the factory rotation.
The CAI is "tunable" because it allows you to rotate the MAF sensor within the airstream for best performance. This adjustment should be done when you have the car on a dyno so you can monitor the effect when the position of the sensor is changed from the factory rotation.