As per Wonka2581, probably not. You may lose a few ponies but there shouldn't be enough difference between the two intakes that the ECM can't compensate. Your butt dyno will probably not notice.
Going by what I've read on here, the rule of thumb is: You can change the intake without needing a (re)tune. You can change the exhaust without needing a (re)tune. If you change both, you need a (re)tune. YMMV
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