Boomba Recirculating Bypass Valve Subaru STI 2004-2021 - Black | 001000220100 vendor_AodHan Premium dry carbon fiber with

Premium dry carbon fiber with a gloss finish

Part #: SPF2889K

KSP-CMT150-RR

57Transcend

Features: Pull-type sequential valve structure

Boomba Recirculating Bypass Valve Subaru STI 2004-2021 - Black | 001000220100 vendor_AodHan Premium dry carbon fiber withFitment 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