2009 g8 gt cat below threshhold check engine

[crocketts055]

1. diablo trinity 6jtn7ba
2. ?
3. 2009 pontiac g8 gt

im sure you guys have had this before. i put on slp long tube headers and high flow cats and magna flow cat back exhaust. now i have the dreaded check engine light telling me cat below thresh hold bank 1 & 2. can you help me out?

[mikel]

Time to get a customtune from one of our tuners, like o6monteSS

[crocketts055]

so how do i go about doing that?

[06MonteSS]

PM sent crockett...