PERRIN Recirculating Blow Off Valve Red - 2002-2007 Subaru WRX / 2004-2021 STI Subaru-WRX-2025 Since drivers have been installing

Since drivers have been installing turbo back exhausts

Torque Solution HKS Blow off Valve Adapter

and pilot bearing

Red Alcantara material

This kit cross-references with OE part number 10105AA351

PERRIN Recirculating Blow Off Valve Red - 2002-2007 Subaru WRX / 2004-2021 STI Subaru-WRX-2025 Since drivers have been installingPERRIN Recirculating Blow Off Valve Red Features: Red anodized finish Adjustable relief pressure for easy tuning 1. 225" inlets outlets prevent compressor surge Customizable spring tension for smooth or aggressive venting Adjustable flow control to balance boost and throttle response Recirculates air to maintain proper air fuel ratio Low maintenance with simple disassembly Direct fit for WRX STI, no modification needed CNC machined 6061 billet