Boomba Recirculating Bypass Valve Subaru STI 2004-2021 - Black | 001000220100 vendor_AodHan Stainless braided Teflon hose

Stainless braided Teflon hose

57Transcend

Features: Pull-type sequential valve structure

It features extended stroke

Boomba Recirculating Bypass Valve Subaru STI 2004-2021 - Black | 001000220100 vendor_AodHan Stainless braided Teflon hoseFitment 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