ECM, Transmission and FICM Tuning included. HP Tuners MPVI2 or MPVI3 required (sold separately).
03-04 is only capable of OEM + 3 sotf tunes/slots
05-07 OEM + 5 sotf tunes/slots
Tune change instructions: Tap the coast button on the steering wheel to display the current tune (tune position will display on tachometer). To change positions, tap resume for up and set accel for down.
Your factory calibration file will need to be read using MPVI2 or newer device and emailed to us to be modified. Please let us know if you have any issues with the read out of the factory calibration. Email: havoc.performance2014@havocperformance.net