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• Nickel-Plated
Safe to use in pressurized systems
(4) Spacers
changing the filter can help
Perrin Recirculating BOV for 02-14WRX/04+STi Size:Black • Nickel-PlatedVehicle 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
