I had a similar problem with my car and Doug at Bama adjusted the drive wire ,or throttle wire, in the tune. Now she screams.I have been looking through the forums and have yet to find and answer to my issue. I recently installed a CAI, delete plates, UDP, high flow CATs and x-pipe and axle back exhaust. All parts are from Steeda. I tunned the car with an SCT SF3 with the canned tunes that it shipped with from Steeda. My car really sings some of the time, but after it warms up and I stop for any length of time (red light, stop sign waiting on cars to pass, etc.) I get a serious bogging down of the engine. I can pull out slowly (to keep from going sideways) then floor it and the car makes a lot of noise but goes nowhere. After I go a few hundred feet everything seems fine again. Has anyone else experience this issue and if so, what solutions have you found. I am thinking of getting a Brenspeed tune to see if that helps, but I want to make sure I am spending my money wisely. Any help would be greatly appreciated.