Perrin Recirculating BOV Black WRX (2008-2014) LGT (2005-2009) Nissan we suggest only purchasing these

we suggest only purchasing these if you can handle it

For year’s enthusiast have had to compromise durability for drivability and vise versa

Our testing has shown the optimum core design is the 3/8” bar and plate style that has a 3/8” charge air and ambient air path

5in Cross Flow Core - careful balance of high heat transfer and low pressure drop

- Durable powder coated finish

Perrin Recirculating BOV Black WRX (2008-2014) LGT (2005-2009) Nissan we suggest only purchasing theseThis Perrin Blow Off Valve cap, piston, and flange feature a CNC machined, 6061 Billet Aluminum construction. The body is CNC machined from a single block of aluminum, and no additional bolt on pieces hinders any potential leaks. The spring of the blow off valve features an adjustable cap which allows you to adjust release pressure settings. If you set it up loose, you will have a smoother release of boost at light loads and RPM. And you can tighten