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Dumb question, but better safe than sorry. Had a problem with ppe turner (anther story, not happy with PPE). But, anyways ecm was reflashed at the dealer back to stock. Is it ok to drive with the aftermarket exhaust, dpf delete? I had an issue with the remote start dieing, so that is why I am asking.

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If it was reflashed to stock, then your truck will attempt to regen and you will have issues without the DPF
 
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