AEM Air Bypass Valve

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Air Bypass Valve MSRP: $
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Description:
AEM's Air Bypass valve for Cold Air Induction Systems totally eliminates the unlikely chance of water ingestion should the filter element become wet from deep puddles, rain, hail, sleet or snow-or any other scenario in which the filter element could encounter or become submerged in water.

 
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++ Rating
Reviewed by:
Wes


Review Date
February 12, 2012

Overall Rating
 5 of 5

Value Rating
 5 of 5

Used product for
More than 1 year

Visitors rate this review
5.00 of 5, 80.00 votes

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Review 1 of 33

Price Paid:  $0.00

Year / Model Reviewed:
2004 Mitsubishi Ralliart 2.4

Summary:
@jeff-You drive an STI where the filter sits on the top side of the engine, if you submerged your filter either A-You're a complete idiot, or B you're being swept away in a flood. Either way a bypass valve wouldn't do you any good.

I found a company that DYNO tested a 250 hp NSX equiped with the AEM bypass valve and with the air box submerged in a fish tank of water and the water only reached 18 inches up the tube. By the way AEM didn't recomend the valve on that car because of the displacement of the NSX engine. However it still worked wonders in keeping the water out of the engine.

Read for yourself.

http://www.modified.com/tech/0104scc_aem_air_bypass_valve/index.html



++ Rating
Reviewed by:
GSunday


Review Date
September 15, 2007

Overall Rating
 4 of 5

Value Rating
 5 of 5

Used product for
3 Months to 1 year

Visitors rate this review
5.00 of 5, 89.00 votes

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Review 2 of 33

Price Paid:  $0.00

Strengths:
could possibly save your engine, looks ok, easy to install, doesnt cause drop in power.

Weaknesses:
not metal, may never be needed

Summary:
First off, i think this bypassvalve is something good to have. Id rather spend 40$ now then thousands later replacing my engine. Sure, it may never actually be used to save my engine from water but its there just in case, like insurance. Also i dont understand why people are saying you lose power, Ive actually heard you can gain power at higher rpms, becasue if theres a large demand for air that your airfilter cant supply, it will create a vacum, the valve will open and allow more air to get sucked into the engine with less resistance. plus it doesnt look that bad.



++ Rating
Reviewed by:
ddddd


Review Date
May 16, 2007

Overall Rating
 2 of 5

Value Rating
 3 of 5

Used product for
Less than 1 month

Visitors rate this review
4.31 of 5, 104.00 votes

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Review 3 of 33

Price Paid:  $200.00 from no where

Year / Model Reviewed:
2007 honda

Strengths:
none

Weaknesses:
alot

Summary:
hi this is my review..



++ Rating
Reviewed by:
John Luckus


Review Date
October 4, 2006

Overall Rating
 1 of 5

Value Rating
 1 of 5

Used product for
More than 1 year

Visitors rate this review
4.53 of 5, 102.00 votes

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Review 4 of 33

Price Paid:  $51.00 from im not advertising a

Year / Model Reviewed:
2003 BPV

Summary:
hello



++ Rating
Reviewed by:
jeff


Review Date
July 16, 2006

Overall Rating
 2 of 5

Value Rating
 1 of 5

Used product for
Less than 1 month

Visitors rate this review
4.40 of 5, 99.00 votes

Rate this review?

Review 5 of 33

Price Paid:  $0.00 from your_mom.com

Year / Model Reviewed:
2006 subaru wrx sti

Summary:
i have a friend that wasted money on AEM's bypass filter (bpf) and we honestly DO NOT see a point to using one in the first place, UNLESS you race auto-cross or road courses where the climate is VERY wet. we live in WA and my AEM cold air intake equipped sti has never had a problem on either type track in the rain, even under extreme conditions.
and to the two geniuses with previous posts (you know who you are): if you submerge your intake in water you will get water in your intake and cylinders regardless of having the bypass valve or not. (it might not be as much water, but still.......) ADVICE: don't drive your car through water deep enough to penetrate the engine compartment!!! LOL
as far as the other brilliant post goes: if the bypass valve was installed between the MAP sensor and the throttle body and not between the MAP sensor and the main air filter, (not bpf), then your car WILL NOT run if there is ANY air leaks AFTER the map sensor. ADVICE: buy a rubber hose that's just big enough to fit over your intake piping and use screw type clamps. this will last for a very long time. to fix it in the meantime....... use duct tape!!! LOL

the only practical reason to have one of these would be for off-road racing with 4x4's as well as rally cars.

BUT! the best advice for everyone wanting to try their hand at import customization, racing, or show competition: buy a standard wrx and do a JDM engine/tranny swap. they possess superior parts and reliability. you couldn't ask for a better built drivetrain off the manufacturering line.
oh, and did i mention that any mitsubishi vehicle is a POS?!?!?!?!?!?! get a real honda killer!!! buy a scoobie!!!



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