Dec 18, 2021 · The Nismo makes like 18 more HP just due to the headers exhaust, and tune. It's minor but has other benefits like suspension and brakes.
May 16, 2019 · Engine, Intake and Exhaust - 400HP package from Z1 motorsports - Here's a video of moncef over at AdminTuning doing a tune on my 2013 G37s ...
Aug 26, 2017 · The package is adveretised at 400 Crank horsepower gains however when you play with altitude, humidity and tempreture its hard to get the exact ...