I run stage 2+ with my mods, biggest difference being the midpipe which deletes the secondary cats. Behavior is good, logs look good. I run the 91 octane map routinely since the standard pump gas here is 92 e10, but I have 100 octane available nearby and have blended to run the 93 and 95 octane maps, which obviously make more power. Those logs also looked good, no trouble meeting boost target or load target.
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