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08-30-2001, 12:08 PM

Import Tuner magazine put an AEM cold-air intake on their '99 Si and found a 10HP increase at 4900 RPM. I also agree with HondaBrain, get a bypss valve. The filter could be entirely submerged, and no water will come close to your engine.

08-30-2001, 12:08 PM	#5
hondafetish Posts: n/a	Import Tuner magazine put an AEM cold-air intake on their '99 Si and found a 10HP increase at 4900 RPM. I also agree with HondaBrain, get a bypss valve. The filter could be entirely submerged, and no water will come close to your engine.