As for the canned tune, they'll work with you on it if it really doesn't make any power. I got the canned tune, because it was part of the CARB kit. I think the old tunes that have been documented on this site were pretty bad. People dyno'ing them at around 340-350 whp, and then getting a custom tune at 415 whp on the same hardware. Having acknowledged that, I'll say that the modern-day canned tunes are pretty good. Again they worked with me on a couple spots to smooth it out, and it turned into a usable tune. We went through maybe, 5 revisions total. Maybe less. It's not a full eTune process, but they work with you and it's not bad. I've driven a lot of 400whp cars right off the dyno, and mine feels like it's in that neighborhood.
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