i currently upgrade my engine to mivec turbo...... by doing a 2.5 " direct piping, using emanage blue to tune, sard fuel regulator and etc. that should have in my car..... however, the emanage does not tuned yet..... i got the engine and emanage from other owner, but i dun know the previous setting is still remaining o not...... however i nid to retune it again........ but here comes the big big trouble...... my header got some leak of exhaust gases, and my fc like shit... 100km ++ half tank gone 
...my car is wira...... according to mechanic after the emanage been tuned it wont be like that shit.... is it real fc will reduced after proper tuning?... of course i will get rid of the header 1st.... any comment on this brothers and sisters??? 


