you should search the forums for this topic...Injen CAI
= better gains in the higher RPM's...more high end powerAEM CAI
= better gains in the lower RPM's...more low end power...
but each are very good...
What is lower and higher RPM's?
lower RPM is your low end power..when your RPM gauge in the car reads anywhere from 2 to 4...
High RPM is anything from like 6 and above...the high end power...
4-6 is usually the mid RPM's which always has good gains throughout both of the Intakes
do you get what I am saying?
an AEM Intake
had more gains from the 2-4k RPM than the Injen
had higher gains from about 6k+ RPM...
I have an Injen