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3rd Gen Ram Tech2002-2008 Rams: This section is for TECHNICAL discussions only, that involve the 2002 through 2008 Rams Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
I've got to lean towards the Airram setup. I privately dyno tested and track tested an Airram vs. the "shorter tube technology" and the Airram won both on the dyno and at the track. <Individual results may vary>.
I don't think you're going to see a night and day difference with any of them. I like my Volant CAI, it's a pretty cleanly done setup and it gained me 1 MPG better mileage. Also, one of our sponsors here, Southern Hotrod, had an awesome price on it too.
I must say I like the AEM that I just put on. Seems to have helped fuel mileage a bit. Sound is awesome. The best part is, the air filter is a lifetime filter with NO OIL required. Most k&n's I believe require oiling. what a pain in the butt..