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5i Premium 2003-2004 Subaru Impreza Outback 2005-2010 Subaru Impreza Outback Sport 2002-2005 Subaru Impreza RS 2002-2004 Subaru Impreza TS 2003-2005
Up to 214% stiffer than stock
The OEM flywheel is significantly heavier than it needs to be — it was engineered for smooth low-RPM operation at the expense of rotational responsiveness
This means peak boost is achieved earlier in the RPM range and maintained for longer as the RPMs climb
Forge Motorsport Atmospheric and Recirculating - 2022-2026 Hyundai Elantra N / 2019-2022 Veloster N Subaru-STI-2021 5i Premium 2003-2004 Subaru ImprezaForge Motorsport Atmospheric and Recirculating Valve for Hyundai N Models Dual Function Blow Off Recirculating Valve for Hyundai i30N, Kona N, Veloster N DUAL ATMOSPHERIC OR RECIRCULATING OPERATION Forge Motorsports uprated valve for Hyundai N models is designed to provide improved boost control and reliability compared to the factory diverter valve. Specifically engineered for the Hyundai i30N, Kona N, and Veloster N platforms, this valve can be