Chart shows
360Nm & 380pk ~7300RPM
360Nm = 265.5Bftlb
380pk = 374.8BHP
Now since you mentioned these numbers are calculated BHP @92% rather then the actual WHP. Which is why people generally don't use BHP because it's subjective and just inflates numbers. A stock Nismo typically puts down about 290whp with a listed 350bhp which is an 83% efficiency, is it really 83%, or 92%, or some other guess. Anyway the numbers still look very strange no peak torque gain over stock but a big HP gain.
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