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I'm not worried about the emissions or it being legal. It will never get tested.
I've read on here about people having trouble getting the check engine light to go off even with a tuner. That concerns me a little bit. Have you all had any trouble with this? About how much is a tuner?
I've only heard that problem with some MIL eliminators, not all. Turned mine off with Diablo tuner, no problems, still needed extensions though. Diablo at A.M. I think is $369, minus 6% with our MF discount code.