IAG Performance Blow Off Valve Adapter 2002-2007 WRX / 2004-2021 STI

IAG Performance Blow Off Valve Adapter For 2002-07 Subaru WRX & 2004-14 STI. The IAG BOV adapter allows you to use your existing OEM factory blow off valve with numerous aftermarket front mount intercooler kits. Measuring 1.375" (both inlet and outlet) and featuring a 1/2" thick flange you can be assured of a complete seal. Includes zinc coated hardware, nylon lock nuts and a new factory gasket.