Perrin Black Blow Off Valve Recirculating Subaru WRX 2008-2014 / Legacy GT 2005-2009 | PSP-TAC-610BK Vehicle Model_240SX Many performance racing applications like

Many performance racing applications like Sprint/Midget/Dirt Late Model Differentials

firewall flexing is eliminated allowing all of the brake pedal input force to be applied to stopping the vehicle

2013-2015 Subaru Crosstrek XV

or tuning—heat soak becomes a limiting factor

Important Crankshaft must be balanced to match your specific rods and pistons

Perrin Black Blow Off Valve Recirculating Subaru WRX 2008-2014 / Legacy GT 2005-2009 | PSP-TAC-610BK Vehicle Model_240SX Many performance racing applications likeFitment Information: 2008 2014 Subaru WRX 2005 2009 Subaru Legacy GT 2005 2009 Subaru Outback XT Add horsepower, quicker response, and reliability with the Perrin blow off valve. A must have replacement for the leaky, slow responding, and plastic OEM blow off valve. Features: Faster Response Time, Consistent Boost, and Better Driveability Adjustable Release Setting and Flow Control Direct Bolt On BOV No Tuning Required Body Material 6061 Aluminum Body