Turbosmart Dual Port Sleeper Series Blow Off Valve Blue | 08-14 Subaru WRX / 06-13 Mazdaspeed 3

This Turbosmart Dual Port Sleeper Series Blow-Off Valve For The  2008-2014 Subaru WRX and 2006-2013 MazdaSpeed3 models. Featuring a 38mm positive-seal piston with boost-balance technology, this valve can bypass up to 800HP of air. The durable billet aluminum construction includes a precision matched piston for maximum response. To ensure correct seal and operation, each valve is tested before being shipped. The Dual Port Bov5 also offers factory friendly ECU and airflow meter sensor recirculation for light throttle and boost. And for high-power and boost, its vent-to-atmosphere trumpet can handle large amounts of air via staged venting. This superior upgrade over the OEM unit provides quick purging of boost between shifts and long-lasting performance with both stock and aftermarket turbochargers.

• Direct OEM Replacement / Bolt On Installation
• Blue Finish
• Dual Port Designs allows you to adjust the BOV 3 ways
• In teh standard configuration the ports are stages so that the bypass valve comes on first, and the atmospheric trumpet comes on next. 
• You can convert the Blow Off Valve to supersonic mode which is fully atmospheric by installing the provided blanking plug into the recirc port. 
• You can convert the bov to a full recir mode by undoing the trumpet and installing the provided blank in it's place
• You an convert the turbosmart BOV to Mega sonic mode by taking the extra trumpet and place it on the recirt port for the loudest option