Certified Boomba Bypass Valve Blue 2004-2021 STI

Description

Enhance your 2004-2021 Subaru WRX STI’s turbo performance with the Boomba Bypass Valve Blue. This premium recirculating valve is precision machined from aircraft-grade billet aluminum, designed to replace the OEM bypass valve with superior durability and flow. It delivers reliable boost control for aggressive turbo setups, ensuring smooth and consistent pressure release.

Featuring an internal brass piston and pressure testing up to 70 PSI, this valve offers a larger cross-section than stock for 100% recirculation and higher flow capacity. The spring pre-load controls the pressure differential needed before opening, optimizing turbo response without requiring a retune. Installation is straightforward, making it a practical upgrade for Subaru enthusiasts.

Ideal for Subaru WRX STI owners seeking a robust, high-performance bypass valve, the Boomba Bypass Valve Blue combines quality materials and engineering for lasting reliability. Upgrade your forced induction system today and experience improved boost control with confidence. Shop performance parts for your Subaru at Subimods.