Originally Posted by 2011 Nismo#91

You'd save a lot more money just selling your sport and buying a nismo. To get the seats your looking at nearly ~5k? for the pair. You can get the aftermarket equivalent and have an upholsterer modify them but that's not cheap either, then you have the wheels and steering wheel. And then come all the smaller things.

Also I am not sure on newer models but the older model nismos had different front under trays from the non nismo ones.