will greddy emanage be pointful if you dont have a turbo
yes if you fine tune your fuel curve you can defiintely gain some ponies
"
Kick azz is my boost hero!!! 
"
unless you have an extremely modded NA theres no gain

1989 Turbo Trans Am #82, 2007 Cobalt SS G85
I say if you could get an emanage to actually function the way its supposed to, then yeah...