g20 320d 2019 dpf removal issues

does EGR n DPF delete on G20 320d affect long term reliability n fuel consumption.I wana keep my cat long term @65000km now still stock.Can tge engine reach over 500k km after the mods like the E90 320d did? Wat are the pros n cons of leaving the car stock n just doing my 10000km oil change for...