Turbosmart Plumb Back BOV Blue WRX (2002-2007) STI (2004-2014) Nissan this is a packaged solution

this is a packaged solution designed to improve performance and enhance the driving experience of your vehicle

The PERRIN Brackets come with slotted mounting points for horn assemblies

Replacement bearings

Turbosmart Boost Tee boost controllers also feature the Turbosmart detent adjustment system for a smoother boost transition through the entire rpm range

and a resonator

Turbosmart Plumb Back BOV Blue WRX (2002-2007) STI (2004-2014) Nissan this is a packaged solutionThe Plumb Back for the Subaru WRX STI Forester is a high performance fully recirculating BOV, all released pressure is vented back into the intake system. Ideal for cars with sensitive AF meter systems and off road applications as the fully sealed design of the Plumb Back prevents any foreign matter from entering the system. This plumb back comes with a Subaru flange making installation easy on your Subaru WRX STI. FITMENT: Subaru STI 2004 2014 Subaru