06 LLY exhaust [Archive] - Diesel Place : Chevrolet and GMC Diesel Truck Forums

: 06 LLY exhaust


elk hunter tom
08-24-2008, 06:09 PM
Im looking at getting an 06 LLY with a ZF6 and im going to putting 5" straight exhaust on and was wondering what is needed so i dont get any codes

DSTRBD
08-25-2008, 10:30 AM
You may not need anything. If you do trip the CEL, you will either need a programmer (PPE, EFI) or Fingerstick to keep the light from coming on.