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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.


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Old 10-26-2012, 09:52 PM   #155
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Originally Posted by TVC15 View Post
I found the Airaid sytem to be terrible, poor sounding and noticble loss of power and I lost 5mpg as well! With the Injen I feel the power gain and love the sound when I hit the gas...and I got my mpg back.

Anyone in San Diego want a free Airaid intake with about 400miles on it?
Why not return it?
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Old 10-29-2012, 06:11 PM   #156
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TVC, Tony,
Did you guys both get the dry kits? I know 2forme did.
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Old 10-29-2012, 06:56 PM   #157
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Old 11-01-2012, 02:01 AM   #158
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awesome write-up, thanks!
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Old 11-02-2012, 10:29 PM   #159
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i am wondering if removing the lid on the airaid intake box and putting a small scoop on the hood, directly over the box, to force feed cold air directly to the filter would be a good idea? or help at all?
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Old 11-03-2012, 04:33 PM   #160
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at the risk of sounding stupid, what is the purpose of the extra tube the extends off to the left on the intake?
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Old 11-03-2012, 04:35 PM   #161
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Originally Posted by EN2_Squirrel View Post
i am wondering if removing the lid on the airaid intake box and putting a small scoop on the hood, directly over the box, to force feed cold air directly to the filter would be a good idea? or help at all?
Can't speak of that, but someone has said that they ran the intake without the lid and there was no significant difference.

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at the risk of sounding stupid, what is the purpose of the extra tube the extends off to the left on the intake?
Are you referring to the sound generator?
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Old 11-03-2012, 05:15 PM   #162
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Originally Posted by 2forme View Post
Seriously! It's kinda sad. People are going to read JUST the first post and take it as definitive. Sure Injen *CAN* make considerable power on a stock tune... you just gotta drive around with your hood removed and hope you don't run lean.

But in REAL world use. I don't see it making much. After seeing my temperature results on my AIRAID testing, I can only imagine how much HOTTER the Injen will run....
You still can use those dynos as a guide though on what to purchase. If the Airaid loses power obviously it would be a lot worse with the hood closed.

So you can see that even if the hood is open with the Injen and AFE, atleast their are gains instead of loss. That way even if your hood is closed you will be a lot more comfortable using either of those 2 then an Airaid. I am pretty sure someone else has posted a dyno of the Injen with the hood closed that I read in another post.

It is a lot better then buying an intake that is losing power with an open hood. It shows that the intake is designed better and has use. It is better to have the dynos with an open hood then with no dynos. People now atleast know the Airaid is junk compared to other intakes. As of right now I would either get the Injen, Zeta Silicone tube / Perrin Drop in, or wait for Perrins true CAI. If I was a baller I would get Gruppe M x Revolutions intake but that will probably be in the 2k + range which is rediculous for an intake that probably wont be that much better then Perrins.
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Old 12-05-2012, 12:48 PM   #163
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After reading through this entire thread, I'm probably going with the aFe intake. Good design, definitely not a fan of the open filter with a closed hood. I live in Texas, it gets pretty hot here. As long as I can get heat protection and that filter as far down and away from the engine as possible, with shielding, the better.

I don't see that Injen intake being great in a hot environment like mine for everyday driving. Time will tell I suppose.
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Old 12-05-2012, 12:58 PM   #164
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Quote:
Originally Posted by FR-S Matt View Post
After reading through this entire thread, I'm probably going with the aFe intake. Good design, definitely not a fan of the open filter with a closed hood. I live in Texas, it gets pretty hot here. As long as I can get heat protection and that filter as far down and away from the engine as possible, with shielding, the better.

I don't see that Injen intake being great in a hot environment like mine for everyday driving. Time will tell I suppose.
I can confirm your suspicions. I did temperature testing on both the AFE and AIRAID under 5 minute heat soak/cool off conditions. The AIRAID let more heat soak in than the AFE. Injen would only be worse than the AIRAID in this regard. It's metal, and it's mouth is even further back from the "cold air port".
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Old 12-05-2012, 01:31 PM   #165
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Originally Posted by 2forme View Post
I can confirm your suspicions. I did temperature testing on both the AFE and AIRAID under 5 minute heat soak/cool off conditions. The AIRAID let more heat soak in than the AFE. Injen would only be worse than the AIRAID in this regard. It's metal, and it's mouth is even further back from the "cold air port".
Exactly. Definitely why I am in favor of the AFE. Heat protection is huge when it comes to these. I'm fine with plastic over metal. At least you know how it will function.
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Old 12-05-2012, 03:55 PM   #166
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Sound like the Injen is best HP gain !
what is the most negative or cons issue?
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Old 12-05-2012, 06:03 PM   #167
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Originally Posted by TRD_86 View Post
Sound like the Injen is best HP gain !
what is the most negative or cons issue?
facepalm...only if you remove your hood while driving
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Old 12-06-2012, 01:24 AM   #168
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Sound like the Injen is best HP gain !
what is the most negative or cons issue?
Well, it is true that the Injen offering did yield the highest gain, though we have noticed that it's a hit and miss really. My eval unit didn't have a problem but I did get a hold of another that was purportedly getting bogging issues (search forum) and experienced the same.

More on this really shortly (and a possible solution) in an upcoming thread : "A tale of two Injens"

Cheers!



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