If you're talking about those wires it won't do anything. You may think after the install your car runs better etc. I've seen one dyno from Nissan sport magazine and it resulted in a loss of 2whp.
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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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