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Well, 48 hours and 4 drives later and no CEL. The tune tweak worked Mike. Sweet!

So is 2.5 ~ 5.5 ST KNK for a brief blip at WOT normal (more or less) on a CMR tunes 2008 5.7L?

I believe it is v9r08. It's a CMR that has been updated with the current revisions for v9r08 at least. It has a tune which my tuner has been tweaking since v9r04 this Spring.

So is there a fix in the works for the rear 1/2 and 2/2 error codes (P0138 & P0158) coming on, even with the rear O2 sensor disable engaged? I have tried to disable the rear O2's via the handheld using "Modify Tune", but the errors come regardless of this. I have also had Steve from RDP disable the ...

I've seen a dyno sheet where the MM 85mm shows +8~12hp/tq gains. I suppose your results may vary. I think the +3 was another bored over TB from another vendor.

The MDS surge occurred on my 2008 Daytona with no mods other than 93 Perf. (non-CAI) tune. It is not exclusive to 91 CAI or to cars with non-stock exhaust. Disable MDS and it goes away.

Works on the 2008 Charger 5.7L.