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Originally Posted by Topless
CJ,
Am I missing something here? Is the resonance box just a muffler to reduce intake noise or is it an important part of the factory tuned intake. With a properly tuned intake, sonic waves from the intake pulse combine with airflow to force charge the cylinders as much as 125% of airflow alone. Porsche has been tuning this for a long time to give us better top end power and that nice big fat torque curve that gets us out of corners quickly.
I don't know the answer to this, just raising the question. Tuning an intake/exhaust is a lot more like tuning a musical instrument than we realize. It would be disappointing to remove the res. box and get a narrowing of the torque curve and lose 10hp in the process. Faster good, Slower bad! Any Porsche racing techs in the know on this?
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This little box is most likely for noise abatement alone. It doesn't have the volume to make much of an impact on the pressure waves of the intake flow.