Stillen vs. Injen Intakes
#2
The injen intake is terrible. It's not even cold air. The setup places the intake filter directly behind your radiator, which is pretty hot. I've had one on my Maxima and noticed no change other than intake sound. Sold it and went back to stock. No idea about stillen though. From what I've read here, the stock intake is a pretty good design already.
#6
Wrong, go with CGR intake w/velocity stack and you'll definitely see some gains.. I promise. Or even just the JWT Pop charger and you'll notice a nice difference.