Yes.
Before tune, my car made 281whp (On a very low reading mustang dyno) with test pipes, invidia gemini and stillen gen3s.
After tune (same day mind you) 301whp....
That said, it felt like a different car up top. Some cars need the tune to set them straight. My car was running incredibly rich, so leaning it out obviously gave it the power it should have gotten.
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2010 Magnetic Black Metallic 370Z 6M
stillen gen 3 CAI - topspeed test pipes - invidia gemini CBE - UpRev tune
301whp (HP Logic Mustang Dyno)
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