The Torque Solution Greddy blow-off valve adapter fits Subaru WRX 2002–2007 and STI models from 2004–2012, providing a direct flange interface for Greddy-style BOVs. It allows use of aftermarket BOVs without major modification to the turbo piping, preserving proper sealing and mounting. Install it to adapt Greddy hardware to the factory boost plumbing on supported Subarus.
Torque Solution Greddy Blow Off Valve Adapter: Subaru WRX 02-07 & 04-12 STI