Quote:
Originally Posted by ahausheer
Air pressure doesn't work like that. There are aftermarket intakes that will cause a check engine light if the ECU is not reprogrammed. Ill bet this intake is fine but there is a possibility that the MAF readings are off. The engine can adjust using other sensors but with the complex D4-S and high compression I would personally be concerned. Also the fact that the spark plug change interval is so low tells me you don't want to mess with the air fuel mixture as it already seems like a very sensitive thing. But I am no expert and I am often overly cautious when it comes to stuff like this so don't take my word for it.
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Those intakes make changes around and before the MAF. This is after the MAF. The only way for energy to travel upstream to disrupt airflow around the MAF would have to be some sort of resonance. But all of the stock resonators are still in place.