RB25DET NEO engines use a 45V3 turbocharger with a larger OP6 turbine which some arrived with steel compressor and turbine wheels, in this case, a nylon plastic compressor wheel and ceramic turbine wheel. This turbo engine was upgraded and experienced a bigger exhaust housing and a rise in electrical power. https://nissanskylineengines58147.elbloglibre.com/29132687/a-secret-weapon-for-nissan-skyline-engines