Perrin Recirculating Blow Off Valve

2015-2020 Subaru WRX

Ships for free in the 48 states

SKU: PSP-TAC-615RDWe price match!

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7 hrs 6 mins

Upgrade and add a reliable Perrin Recirculating blow off valve to your custom 2015-2020 Subaru WRX from Subispeed!
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  • Adds quicker response and reliability
  • Much larger outlet and is fully adjustable
  • Sized perfectly to relieve any amount of boost pressure without fear of compressor surge.
  • Adjustable spring tension
  • Control the volume of air released when the blow off valve vents
  • Cery little maintenance but when needed, it's very easy and quick to disassemble.

Not just any BOV

On the surface it may look like just another blow-off valve, but the Perrin BOV for your 2015-2020 Subaru WRX is actually much more than that. Add horsepower, quicker response, and reliability with the PERRIN BOV. A must-have replacement for the leaky, slow responding, and plastic OEM blow-off valve. Cap, piston, and flange are CNC machined from 6061 billet aluminum materials. Blow off valve body is CNC machined from a single block of aluminum. Anodized in a red finish. High-flow blow off valve.

Increase Your Boost

This blow-off valve features adjustable relief pressure and flow control to make fine-tuning on the fly simple and quick. Adjustable relief pressure with adjustable spring tension which allows for an adjustment when the blow-off valve vents. A looser setting will make it act smooth and more like stock while a harder setting will cause it to vent later and with significantly increased boost levels. Adjustable flow control allows you to control the volume of air released when the blow-off valve vents. Adjusting the volume of air helps maintain the perfect amount of boost in your system during shifts. Recirculating the air recirculates the air back to the intake track to maintain proper air-fuel ratio and driveability between shifts. Low maintenance and is quick and easy to disassemble. Direct fit and pre-set adjustment


  • 2015-2020 Subaru WRX

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4 customer reviews

Average rating
(based on 4 reviews)
Ease of Installation
Fit / Quality
Overall Satisfaction
  1. Greatness

    By LilZachh March 19, 2023

    Self-explanatory install, lowkey and you just gotta love that *pshh* sound.

  2. Great Hybrid BOV

    By LilZachh March 17, 2023

    easy to install, pretty self explanatory and I love the way it sounded.

  3. If you're reading this, buy it!!

    By Randy June 3, 2021

    Subtle but noticeable. I wanted something better than factory, noticeable but quiet, and I couldn't be any happier with Perrin recirculating blow off valve. Product description is very accurate, and you can expect to notice exactly what is written. The factory plastic bov is noisy and leaky, and was annoying while in boost on my stage 2 car. I do have the Perrin charge pipe as well, combined I would suspect a Dyno graph of the factory bov with the charge pipe would show a jagged curve line, whereas with the Perrin bov it would show a nice smooth curve. Out of the box, on the car, and ready to go, it is pre-set from Perrin.

  4. Great valve

    By Chad August 3, 2018

    Very easy to install. Works great and every full turn has a notice difference throttle response.

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