At the 400rwkw level, nothing is simple for a street car. If you want big oil coolers, keep the aircon & then throw legalities into the mix and shit gets nasty.
Indeed this is very true. But the setups are not identical.
One car has a massively larger snorkel (nismo one is noticeably bigger), piping kit etc - same result for all intents and purposes as a 10rwkw different is nothing you will ever notice.
So the only possible part is the aixbox itself, if it even is.
As usual - the dyno doesn't necessarily tell the real story especially when heatsoak comes into it and robs you of power.
Cooler intake charges are very important at this level.
If you did go to a pod based setup, it would require a fair amount of customisation and fab to get it to work to the level of a stock airbox over say a 15min track sprint etc.
A piece of tractor pipe feeding to a partially split pod isnt exactly a proper solution either
For some people also the issue when modifying the front intake piping etc for pods - is AFM reversion/surge. Now i know Steve is D-Jet now, but others have not necessarily gone down that road (two cars above).
For a dedicated track car and simply putting a pod or similar into the guards etc. No fuss, no worries that way - but different application