2016 Nismo HP gain.
 

The nismo exhaust is a free flow exhaust.
How much HP will a 2016 Nismo will gain with a CB FI.

on a regular Z FI says 20HP, 11 ft pounds torque, not sure on nismos, should be close i would think

Well the nismo is 18hp more do to the exhaust and tune,so that will be 2 more hp.

No, the nismo is 18 more at the crank, some of which is from the different tune. The FI catback is 20 at the wheels.

i can really feel the extra HP from the FI

Ok sound goo, Is any one have any numbers before and after.

There's plenty of them. Start looking in the Fast Intentions exhaust thread.

I did not remember see one for the nismo.

Honestly, very little. Maybe 2-3 hp. Both are 60mm tubing.

Well, moving from the Nismo exhaust to the AAM 2.5" midpipes and short tails, I didn't gain anything. At most on a good day, maybe 5whp. The intakes are a bigger restriction on Nismos.

That is what i was thinking.

In conversations with a guy who knows mucho more than I do about Zs (he owns, wrenches, races and tunes them), he said the biggest bottleneck with a nismo exhaust is the OEM catalytic convertors.

Good to go with some aftermarket high flow cats such as Berk or other to open things up.

Needless to say (?) replacing the OEM intake with something more free flowing such as a Stillen Gen3 would be a good compliment to this mod.

I also heard that to, but i was not sure about it.

2016 Nismo HP gain.
 

A shop down here just picked up 19 whp on their nismo with fast intentions resonators test pipes and cat back. Can't remember the tq but it was also impressive


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That brings just as many questions as answers. Since they put on test pipes"reading converters are the biggest restrictions" did the gains come from test pipes or actual exhaust?