Installed the intakes only -
Mild increase in engine noise under throttle.
Significant increase in turbo spool noise and blowoff (best heard with windows up). Turbos sound so tiny compared to the B58 I came from.
Power - eh, who knows. Don’t expect miracles lol.
Pretty sure the issue was retained metal shavings after they upgraded a previously plastic part to metal for 2022-2023 vehicles and was resolved prior to GX 550 production.