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Custom Tune
I have a 2022 5.7 and I just put stainless works 1 7/8" long tube headers on it but now my truck keeps throwing a code, "P0430". I'm pretty sure it's throwing this code because of the high-flow cats. I already have a Diablo tuner and unlocked PCM in the truck so I emailed Diablo to see if they...- nickp343
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- Replies: 5
- Forum: 5th Gen Modifications/Accessories