I have the AEM long ram system on my 02 Celica. I live in Oregon and as you know it rains a lot here. So I got the bypass valve but I noticed a horsepower loss...whats up with that?
air that should be going into the manifold is actually going out threw the bypass valve... might lose a horse or two... does it whistle? my friend has one on his gts and it whistles. but hey better to lose a few hp than all 180 of em dont you think?
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