i have a gsr turbo, other than that the motor is stock, but i plan on upgrading the ignition and fuel system...i really want something for fuel control and ignition(only if neccecary) and i don't wanna spend like $1500 on the AEM....what would u recommend? could i use the apex s-afc? what about the Greddy e-manage? help!

 

^^ and do i really need ignition management? besides MSD

 

greddy emanage with injector harnes/ignition harnes and support tool