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Radium Engineering
Radium Fuel Pressure Regulator Kit - Fits 08-21 Subaru STI
Radium Fuel Pressure Regulator Kit - Fits 08-21 Subaru STI
SKU:RADI-20-0965
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$265.95 USD
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$265.95 USD
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This kit is designed for use in the USDM 08-21 Subaru WRX STi (EJ257 only). It replaces the OEM fuel pressure regulator and damper assembly, shown below. The factory STi fuel line routing uses a quasi dead-end system that circulates fuel through the regulator, bypassing the engine. Fuel is only routed to the engine when there is demand.
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Compatible With:
2008 Subaru WRX STI
2009 Subaru WRX STI
2010 Subaru WRX STI
2011 Subaru WRX STI
2012 Subaru WRX STI
2013 Subaru WRX STI
2014 Subaru WRX STI
2015 Subaru WRX STI
2016 Subaru WRX STI
2017 Subaru WRX STI
2018 Subaru WRX STI
2019 Subaru WRX STI
2020 Subaru WRX STI
2021 Subaru WRX STI