It really depends on what tune is in it. If it is a factory download, the dealer can flash it back to stock, or write over it. If it is a TTS or SERT you would need a tuner to unlock it. If the dealer can get into the ECM, it's probably just a dealer download. I have run TTS, Thundermax and Fuelpak on my 4 bikes and I like the first two for different reasons. I do not care for the third. If you are going forced induction, keep in mind you will need a tuner that can accept a 2bar sensor input. I recently was looking at the PV for my 13 Muscle, but it doesn't have the capability for forced induction(2bar sensor). There are some wicked smart people on this forum and I'm sure they will chime in. adown