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2017 + Honda Civic Si Blow Off Valve

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Product Description

Installation Guide - CLICK ME - The check lights are normal after the initial startup sometimes. This happens because the wastegate was unplugged and causes the vehicle to freak out. After a few key cycles, the check lights should go away and never come back up again.


No aftermarket tuning required. Will work on stock tune or aftermarket tunes. This piece does not throw any check engine lights, does not cause any turbo lag, and does not make the vehicle stutter between shifts.


Replace your factory BPV which is made of cheap rubber and plastic and known to rip and leak boost. This high performance VTA (vent to atmosphere) blow-off 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 100psi, 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.


Installation is simple (direct replacement to stock) and all necessary hardware is included.



Available in your choice of color: Black, Blue, Red, or Pure Aluminum


Installation Video:


Product Unboxing:



Sound Clip:

Product Videos

2016 + Honda Civic Blow Off Valve Sound Test (00:58)
This video gives you a good idea of what our vent-to-atmosphere Blow Off Valve sounds like! More information on this piece coming in the future!
  • 2016 + Honda C...
    This video gives you a good idea of what our vent-to-atmospher...
  • 2016 + Honda C...
    Link to buy:
  • 2016 + Honda C...
    Link to buy:

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Product Reviews

  1. Amazing sound! 5 Star Review

    Posted by on 5th Jun 2018

    Easy installation. Has a great look to it. Sounds really nice. Made me really appreciate my Turbo'd car. FYI after installation, you may get a bunch of lights thrown on your dash (2018 Civic Si) such as check engine, brake system, etc. DO NOT PANIC. It's normal. Turn your car off and wait 15 sec. Turn it on and let it run for 30 sec. Turn off and repeat those steps about 3-5 times and all the lights will go away and car will have no errors and drive normally. It just takes a few cycles for the ECU to understand the new changes.

  2. A Must Buy 5 Star Review

    Posted by on 28th Mar 2018

    First of all let me start off by saying I am an avid civic owner. I’ve owned 6 civics including my 10th gen si. Like other enthusiasts whenever I heard the new civics all cane with turbos, to say I was excited was an understatement, until I figured out that it was atmosphere to vent so there was no BOV. So after I bought the car I did some research and found that Boomba Racing was really the only company that had an aftermarket BOV. So I bought one and this BOV is absolutely amazing, it took me about 30 mins to install. I 100% advise you to buy this. You won’t be disappointed. I can’t wait for Boomba Racing to come out with some more parts so I can buy those too.

  3. GREAT BOV I LOVE IT 5 Star Review

    Posted by on 23rd Mar 2018

    Works amazing. Sounds great everytime. No boost leaks. No lights on dash. No bog between gears.

  4. great product 5 Star Review

    Posted by on 20th Feb 2018

    The bov looks great in the car and sounds great to. Installation was easy and strait forward. The only problem I had was I can not get on of the clips onto the bov over the tube. It would not fit. I went to my local auto parts store and got a bigger clip. I would recommend this product to anyone who wanted a good quality made bov for there 10th gen civic.

  5. blow off valve 5 Star Review

    Posted by on 16th Oct 2017

    Buen producto y rápida entrega y la calidad es de lo mejor que hay para mi honda civic 1.5 2017

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