AEM AEM AEM I can not begin to tell you how cool these things are. Just do some research and you will want to beat the guy who sold you the APEX.

 

AEM is too new. hasn't see anycar that run well with it yet. i will wait until someone prove me wrong.

 

looks like a decent system for a piston engine, but I'll let sombody with $ to burn put one on a 13B and prove that it will work with the leading/trailing ingnition system and with staging the injectors properly...