i have an 06 gt i put jba long tube headers and and h pipe with out the cats my check engine light wont go off i tryed clearing it with my tuner but its not workin it keeps comin back. i heard about mil wires that is supposed to change the readings but i cant find them for my year what can i do to fix it?

 

Do you have a tune for it? You need a tune that turns off the O2 sensors. Plus, any half decent CAI & tune combo will give you 3-5 times more RWHP than the headers alone will.