Thanks for the feedback and suggestions. I was looking at T3 specs actually, don't need as much hp as in T1 to be competitive. The X factors are the twin 25MM turbo inlet restrictors required by the rules in that class. I had estimated a 10-15% power loss, with the goal of trying to boost back to a competitive power range. But I'm not really sure how the N54 would be affected by the pretty serious air restriction and how a custom tune could overcome that.
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