Chris Forsberg explains why his Formula Drift Nissan Z switched from twin G30-660 turbochargers to smaller-frame G-Series II G25-700 turbos. The upgrade delivers faster response, stronger control, and 940 wheel horsepower in professional drifting competition. The post Chris Forsberg’s Twin-Turbo Upgrade: Smaller Frame, Bigger Gains with G-Series II appeared first on Garrett Motion .