EFI Live, EZ Lynk, or MM3 Tuner Info - Which is better and Why?

[IGOTACUMMINS]

Thanks!

Trying to sign up for LPM.

While I wait maybe you can answer this: when I return to stock using the MM3 will it leave any footprint if the dealer is working on anything PCM related?

Sending you a PM.

Thank you,
igotacummins

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