Originally Posted by
velociabstract
The DCAI and cat back shouldn't be the cause. The ECU would adjust to it quickly IMO. More likely something inadvertently loose or off. I'm hoping you've unknowingly disconnected the hose under the throttle body. For the car to run badly under part throttle you'd have to have a whopper of a leak. Did you take the throttle body off? If so look in that area.
Les
No I haven't yet. But this morning I went to start the car and the car basically couldn't dtive. It was like something was jammed in my throttle and it wouldn't allow the car to go past 1500 rpm and it jumped around alot as well in between 100 rpm to 1500