- New
WRX/STI Racing Bypass Valve
$324.98
Specifically designed for MY 2002-2007 Subaru WRX and will also fit the 2004-2021 STI, The WS-RBV requires no adapter kit to install. It is designed for people who want to run high boost levels, but still vent their BOV back to the air intake to maintain maximum driveability.
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Specifically designed for MY 2002 - 2007 Subaru WRX and STi's will also fit the 2008-2012 STI, the WS-RBV requires no adapter kit to install. It is designed for people who want to run high boost levels, but still vent their BOV back to the air intake to maintain maximum driveability.
WS02-XS-RBV
Specifically designed for MY 2002-2007 Subaru WRX and will also fit the 2004-2021 STI, The WS-RBV requires no adapter kit to install. It is designed for people who want to run high boost levels, but still vent their BOV back to the air intake to maintain maximum driveability.