No. Keep in mind that the ECU will try to adjust on it's own and that is hard to predict what it ultimately wants to do. There is more than enough info here to answer your question. I'd buy a CBE first anyways. Gains aren't relegated to top end and you get a killer soundtrack to boot.
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Old Car:GTM TSC'd 550whp / 410lbft tq @ 11.88PSI
New Car: Under Construction
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