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a few guys in here run the intake. I think maybe @BLUEOVALRACER does? I have been thinking of getting the intake as well for turbo noise.
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I purchased it, was my second upgrade after my FlowMaster FX axial back. I clean my filter every oil change, so I purchased an additional (K&N) filter as well
Didnt change the sound much, it is good for about a 1/2 mile/gal in my rig though
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that would more or less defeat the ram air effect provided by the ducting from the grill to the air boxHave you removed this plug?
Step 11 from the instructions
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The "ram air effect" is essentially zero. The air coming from that duct is a little cooler, but really just a little unless you are sitting in traffic.
Actually, if you're "sitting in traffic", the vehicle isn't moving so no air is being forced through the grill and subsequent ducting as would be the case if the vehicle was in motion.
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Correct, when sitting in traffic no air is being "forced" into the duct. However, the engine is pulling a vacuum which causes air to flow through the duct. For the AFE intake with the plug removed, some air would also come through that side hole.
When you are driving, there is a slightly higher air pressure at the grille. The problem is that it is very slight and the ductwork is not sealed enough to actually see that increase after the air filter. The duct to the grille is only giving you some slightly cooler air, not air at a higher pressure (ram air).
My experience with vacuum differs. I installed an Autometer (not an Evil-bay or Jungle website chepo) boost/vacuum gauge and even during deceleration or idol, mine barely falls below below zero if at all. Might be due to the tune, I don't know as I installed the gauge after the tune.
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Where did you install the sensor?
Just ahead of the throttle body which also may account for a zero vacuum as it's ahead of the throttle blade come to think about it
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The ideal location would be somewhere on the intake manifold. You would see boost when the turbo spools up, and vacuum when you close the throttle.
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