I have the AEM on my LX and don't like it for two reasons. It throws a CEL and there is alot of hesitation in the lower rpm's. Apparently AEM fixed the CEL problem but I'm not sure about the bogging. If your's is the three piece then it is the new one. Check out this thread:
AEM REPLACED MY CAI with the NEW MODEL!!!! TO FIX THE CEL !!!!!!!!!!!!