Perrin Recirculating BOV for 02-14WRX/04+STi Killer B Genuine TiAL Sport F38 wastagates

Genuine TiAL Sport F38 wastagates feature the classic

The result is dramatically improved front end grip

You can find the replacement chute bag HERE (STR-4053 / Large)

Drop in design

Core Height: 5

Perrin Recirculating BOV for 02-14WRX/04+STi Killer B Genuine TiAL Sport F38 wastagatesVehicle Fitment: 2002 2014 Subaru WRX 2004 2021 Subaru STi Description: Adjustable relief pressure and flow control makes fine tuning on the fly simple and quick with the PERRIN Blow Off Valve. Inefficient factory blow off valves (BOV) can hinder boost response during shifts and can damage your expensive turbo charger. PERRIN offers several choices for owners to choose the best solution to the problem. The PERRIN blow off valve cap, piston & flange