You could do that, however, remember, the engine is tuned for a certain air flow into the engine, just by increasing said airflow into the engine will not make a noticable difference as the computer will compensate. You need to make air intake PLUS intake manifold PLUS exhaust modifications to get more air in/more air out, then a custom tune on top of that. Cold air intakes on new cars really don't do much but make a lot of sound.