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2015 + Subaru WRX BPV / 2014 + Forester XT BPV / Blow Off Valve

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Product Description

Installation Guide


See the video below to see how badly the stock BPV leaks! We were able to pick up 15 hp and 9 tq from switching to our piece.


This high performance recirculating bypass valve is precision machined out of aircraft grade billet aluminum. It features an internal brass piston design and is pressure tested to withstand up to 75psi, allowing it to compliment even the most aggressive turbo builds. Spring pre-load determines the pressure differential required across the piston before the BOV opens and releases the pressurized intake charge. Designed to be a replacement for the OEM bypass valve and is available in 4 different colors.


-Larger cross section compared to stock

-100% recirculating 

-Higher flow

-Pressure tested to 75 PSI

-Easy install

-No need for re-tune


Installation is simple and all mounting hardware is included.













Product Color Disclaimer
Due to variances in the anodizing stage of production that are beyond our control, actual color hue may be different than what is pictured and what has also been previously offered by Boomba Racing. We apologize for any inconvenience and we sincerely appreciate your understanding. For further clarification, feel free to contact us.

Product Videos

2015 + Subaru WRX Blow Off Valve [BOV] Demo - Boomba Racing (01:11)
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Product Reviews

  1. Boomba Racing is Legit! 5 Star Review

    Posted by on 31st May 2018

    I recently purchased bypass valve for my 2018 WRX from Boomba. I am so happy I did. I watched the install video, I had no problems installing the bypass valve, I definitely can feel the difference, I had a friend who owned several WRX's take my car for test drive and he knew right away my car was performed better than before the install. I'm hooked! Now looking for some more mods

  2. amazing 5 Star Review

    Posted by on 16th Apr 2018

    Purchased this for my 2018 wrx I love this bov. Easy install and sounds amazing with my aem air intake

  3. Great product!! Awesome sound!! 5 Star Review

    Posted by on 26th Jan 2017

    I purchased this for my 2011 Legacy GT and it fit great with a simple mod and sounds amazing!!! It's a very well made , high quality product. I will definitely buy more from Boomba!!!!!!

  4. Awesome product 5 Star Review

    Posted by on 20th Jun 2016

    Last week I ordered the Boomba BPV for my '16 WRX. I OCD about car stuff and watched tons of videos, read tons of reviews, and talked to my tuner before pulling the trigger. I have to say that, at roughly $100 cheaper than any of the competition, it was pretty much a no-brainer anyway. The product shipped fast, installed super easy (I was doing my Charge-Pipe at the same time), sounds great, and even though I installed a number of other things at the same time, I feel like the way my boost happens and holds now is a lot more solid than with the stock unit. Totally happy with this and I'll definitely look to Boomba for other stuff when I'm ready to add more to my car.

  5. performs & sounds good! 5 Star Review

    Posted by on 15th May 2016

    it took me 10-15 mins to change the Boomba BPV. it takes longer to jack your car up & down then take off the under tray then put it back on again.
    i didn't take off the turbo inlet or trim. as long you have the right tools installation will be easy! thanks boomba!

  6. Sounds amazing with intake 5 Star Review

    Posted by on 8th Feb 2016

    The installation wasn't hard at all... the video instructions were spot on. With an air intake, this sounds amazing! I really love this product, you'll be really pleased with it.

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