Quote:
Originally Posted by Lemers
Looks like we have some people that know the difference between the two NISMO exhuasts. Which one is better? The S-tune or the OEM off the NISMO car? What are the gains over stock on each?
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To my knowledge no one has really dynoed with the two different variations to get a really good idea of what the power gains are with each, so this is just my opinion:
The stock Nismo Z exhaust is a H/X pipe design...almost a true dual design. Typically these are good for low/mid range torque and power gains.
The Nismo S-tune variation follows the stock Y-pipe design with bigger piping and a different muffler. There are better alternatives to this.
Since we're talking actual USABLE power, I would say that the stock Nismo Z is definitely better than the S-tune exhaust due to the differences in pipe design.