Boomba Recirculating Bypass Valve Subaru STI 2004-2021 - Black | 001000220100 Vehicle Model_WRX Part #: DS21995511415SMF

Part #: DS21995511415SMF

Part #: SFB15WRXSB3DBK

Increased durability under boost or aggressive cam profiles

Precision CNC mandrel bent tubing

These features combined make this a great rotor for your street car

Boomba Recirculating Bypass Valve Subaru STI 2004-2021 - Black | 001000220100 Vehicle Model_WRX Part #: DS21995511415SMFFitment Information: 2004 2021 Subaru STI 2002 2007 Subaru WRX Features: The Boomba Racing high performance recirculating BPV has been designed to be a replacement for the OEM bypass valve and is precision machined out of aircraft grade billet aluminum. It features an internal brass piston design and is pressure tested to withstand over 70psi, allowing it to compliment even the most aggressive turbo builds. Higher spring pre load allows for more boost