Originally Posted by Adam2562

i personally believe that the factory ecu when it gets more air than the stock airbox gets.. it tries to adjust sumthing and causes the rough idle.. i have the SRT intake an ECU mod and when i was at the track and took the filter off.. the car started to idle wierd and then cut-off... it may be that u have a cheap intake and its getting more air than the ecu wants... try puttign onyour stock airbox and resetting the ECU.. this might help and then afterwards.. get the SRT intake and ECU its better anyway