idk wuts wrong with my car it keeps stuttering i have an sir-g motor in right now i have a aemv2 on tht come of from my ls...an a skunk2 mani. ok i did the timing thts right i change the plugs an wire to ngk i change the rotor from the dist. but i keep thing tht wuts causin the porb is the headers not been connected to the exhaust cuz is leakin air.

 

please rephrase all of that into english please
i dont really understand what you are trying to say

 

like my car is stuttieng