You want to dyno in 5th gear for the 6 speed and 7 speed. But the 7 speed will hit the speed limiter unless it's been removed with a flash. So most are done in 4th.
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2010 k23
H&R sport springs / Spc rear camber arms / SSR SP1 / Berk cbe / Varis cf lip / Nismo S-Tune side skirts
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