Perrin Recirculating BOV WRX (2015-2018) Ford two-piece wedge collar and wire

two-piece wedge collar and wire ring featured in pull-type clutches

Cusco's adjustable pillowball trailing arms for the 2002-2007 Subaru WRX and STI prevent unwanted wheel hop and vibration under acceleration while providing smooth braking at the same time

This feature is independent of relief volume

Once installed users can expect increased strength and reliability

grip can be biased towards the rear end of the car

Perrin Recirculating BOV WRX (2015-2018) Ford two-piece wedge collar and wireAdd horsepower, quicker response, and reliability with the Perrin BOV for your 2015+ WRX. A must have replacement for the leaky, slow responding, and 2015+ Subaru WRX plastic OEM blow off valve. During testing, it was determined that until approximately 3 psi of boost is reached, the OEM blow off valve does not seal. This leads to a loss in horsepower and slower response from your turbo. The PERRIN Blow Off Valve solves this problem with a proper seal