New exhaust. Do I need a power commander?

[Gsxrlife27]

I have an 05 gsxr 600 and just installed a 06 gsxr 1000 headers with the m4 slip on. Do I need a power commander with this setup?

[SVS]

Basic guide to any message board:

1: Consider this: "Might my question be one that's frequently asked?"
2: If yes, use the Search Link in the menu bar.
3: ????
4: Profit!!!!

[Moto_Joe]

Need is relative.

Should you? Yes.

[kevin.g]

or ECM reflash or bazzaz