Originally Posted by NOLIMITMOTORS

exhaust isnt an issue anymore unless you have a CEL from it. people are worried about the new machine reading the ECU. best bet is to throw the ecu in for inspection purposes. if your not tuned for ur mods on stock ecu then just turn the boost down to 10 psi and beat on it, it will be fine. or reflash the ecu for the mods u have or close to it and deal with it for a day or 2