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Old 12-14-2015, 05:28 PM   #1
BOOMBA RACING
Former Vendor
 
Member#: 75640
Join Date: Nov 2004
Chapter/Region: MWSOC
Location: 635 Wheat Lane, Wood Dale, IL
Vehicle:
2015 WRX
WRB

Default 2015 + WRX Blow Off Valve - Boomba Racing

---Released!---

These are officially now out!



This high performance recirculating 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 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

http://www.boombaracing.com/2015-sub...low-off-valve/



--Original Post--
Over the next couple days I should have an update for everyone on something we've been keeping under wraps for a while.

Various factors were tested such as AFR for lean/rich conditions as well as the ability to hold boost and vent properly.

We are nearing completion
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Last edited by BOOMBA RACING; 01-04-2016 at 03:10 PM.
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Old 12-14-2015, 05:28 PM   #2
BOOMBA RACING
Former Vendor
 
Member#: 75640
Join Date: Nov 2004
Chapter/Region: MWSOC
Location: 635 Wheat Lane, Wood Dale, IL
Vehicle:
2015 WRX
WRB

Default

-reserved for future posts-
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Old 12-21-2015, 09:42 AM   #3
BOOMBA RACING
Former Vendor
 
Member#: 75640
Join Date: Nov 2004
Chapter/Region: MWSOC
Location: 635 Wheat Lane, Wood Dale, IL
Vehicle:
2015 WRX
WRB

Default

Should have pictures later today!
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Old 12-22-2015, 01:35 PM   #4
BOOMBA RACING
Former Vendor
 
Member#: 75640
Join Date: Nov 2004
Chapter/Region: MWSOC
Location: 635 Wheat Lane, Wood Dale, IL
Vehicle:
2015 WRX
WRB

Default

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Old 12-29-2015, 05:37 PM   #5
invisusAG
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Member#: 412290
Join Date: Jan 2015
Chapter/Region: South East
Location: South Florida
Vehicle:
2015 WRX Limited
DGM

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Following!
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Old 01-04-2016, 01:06 PM   #6
paprocjo
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Member#: 387947
Join Date: Apr 2014
Chapter/Region: MWSOC
Location: IL
Vehicle:
2015 OILEATR
Crystal Black Silica

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Would be cool to hear before and after clips ;-)
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Old 01-04-2016, 03:06 PM   #7
BOOMBA RACING
Former Vendor
 
Member#: 75640
Join Date: Nov 2004
Chapter/Region: MWSOC
Location: 635 Wheat Lane, Wood Dale, IL
Vehicle:
2015 WRX
WRB

Default

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Old 01-07-2016, 05:07 PM   #8
BOOMBA RACING
Former Vendor
 
Member#: 75640
Join Date: Nov 2004
Chapter/Region: MWSOC
Location: 635 Wheat Lane, Wood Dale, IL
Vehicle:
2015 WRX
WRB

Default

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Old 04-28-2016, 09:54 AM   #9
BOOMBA RACING
Former Vendor
 
Member#: 75640
Join Date: Nov 2004
Chapter/Region: MWSOC
Location: 635 Wheat Lane, Wood Dale, IL
Vehicle:
2015 WRX
WRB

Default

We managed to pick up 15 horsepower that was lost by the leaky stock BPV when we put on our upgraded piece!

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Old 06-14-2016, 10:29 AM   #10
nERv3s
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Member#: 324435
Join Date: Jun 2012
Chapter/Region: NESIC
Location: Salem NH
Vehicle:
2013 BRZ Limited
Galaxy Blue Silica

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Can I just say I absolutely love mine. Great job guys. I can't wait to see the improvements in my tune. The car already feels like it spools faster and has an easier time maintaining boost. Not to mention that sound OMG.

Again awesome job and keep up the good work.
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Old 03-06-2017, 02:40 PM   #11
bunz559
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Member#: 388585
Join Date: Apr 2014
Location: clovis, ca
Vehicle:
2015 wrx base
ISM

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I have read on a few different posts that the Boomb bpv creates a flutter noise. Do you guys know of this or have any solutions to it? Is it a problem? Just ordered one because of price point and recommendation.
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Old 03-10-2017, 03:51 PM   #12
BOOMBA RACING
Former Vendor
 
Member#: 75640
Join Date: Nov 2004
Chapter/Region: MWSOC
Location: 635 Wheat Lane, Wood Dale, IL
Vehicle:
2015 WRX
WRB

Default

Our BPV has been tested for quite some time on local vehicles [modified and stock] and as well as on our WRX shop car for thousands of miles. We wanted to make a final piece that was safe and not mess with the AFRs on the FA20. In regards to the fluttering some may hear, it isnít turbo flutter so much as it is the sound of the BPV opening and closing rapidly. This is pretty normal due to the small size of the WRX turbo. One customer eliminated the fluttering noise by running a larger diameter vacuum line than what we supply. Our BPV features an all billet aluminum construction with a bass piston design. This is much superior to the plastic piece that comes with the car.

If youíve got further questions, please let us know!
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Old 03-22-2017, 03:33 PM   #13
bunz559
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Member#: 388585
Join Date: Apr 2014
Location: clovis, ca
Vehicle:
2015 wrx base
ISM

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Curious to know, are these Boomba BPV's adjustable? Tuner mentions that my car isn't holding boost past certain RPM. Replaced old BPV with a Boomba without seeing any better results.
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Old 10-26-2017, 09:51 PM   #14
Harey
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Member#: 270569
Join Date: Jan 2011
Chapter/Region: International
Vehicle:
'15 Foz XT & GT86

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Quote:
Originally Posted by BOOMBA RACING View Post
In regards to the fluttering some may hear, it isnít turbo flutter so much as it is the sound of the BPV opening and closing rapidly. This is pretty normal due to the small size of the WRX turbo. One customer eliminated the fluttering noise by running a larger diameter vacuum line than what we supply.
Do you still stand by this statement?

Why would the bpv be opening and closing rapidly when its trying to release pressure as fast as possible?

Why would the flutter noise go away by running a larger diameter vacuum line if the bpv is doing the same thing?

The flutter noise is due to the bpv not releasing enough pressure fast enough and some air is forced back through the turbo.
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