Engine/Power - EJ25T (STI and 2006+ WRX) Discussions about the USDM 2006+ WRX and WRX STi 2.5 liter turbo flat-four.

Would i get more power out of headers or stage 2 cobb AP?

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Old Feb 26, 2005 | 06:55 PM
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Would i get more power out of headers or stage 2 cobb AP?

Im debating, whether i should spend the money and buy headers or a Cobb AP stage 2 on my STI. If possible can i get some dyno graphs also. I have only 700 to spend, and i dont really have a job so i want to get the best performance out of that amount.

-jason
Old Feb 27, 2005 | 02:46 AM
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under your circumstances.. COBB.



aloha from the summit of *-^-Mauna Kea-^-*
Old Feb 27, 2005 | 09:57 AM
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I would save up a little more and go with the COBB stage 2, which is like 1100. It comes with an AP and an exhaust.
Old Feb 27, 2005 | 10:05 AM
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AP will allow you to run both stages. Stage one does not require any mod except a A&N filter. Stage two will be good for 340 at the wheel.

Headers will give you turbo lag and create a bottle neck effect if you don't have a bigger exhaust.
Old Feb 27, 2005 | 01:37 PM
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Cobb is your best bet in this situation. And you cannot get 340 whp from a cobb stage 2.
Old Feb 27, 2005 | 03:30 PM
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If you like melted pistons with holes in them, go with the COBB AP

otherwise, find a good local tuner (www.EQtuning.com) to make a custom map for you that will provide safe, reliable power.
Old Feb 27, 2005 | 05:01 PM
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Originally Posted by isr96
Cobb is your best bet in this situation. And you cannot get 340 whp from a cobb stage 2.


you're right. I'm sorry. I meant at the fly. It was early in the morning for me.
Old Feb 27, 2005 | 07:28 PM
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Originally Posted by Rocket Man
you're right. I'm sorry. I meant at the fly. It was early in the morning for me.
Actually it does 350hp flywheels

http://cobbtuning.com/sti/power-s.html#stage2
Old Feb 27, 2005 | 09:35 PM
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Originally Posted by WRX-pilot
Actually it does 350hp flywheels

http://cobbtuning.com/sti/power-s.html#stage2

350 fwhp on 93 octane. 340-345 hp on California's 91 octane.
Old Feb 28, 2005 | 05:45 PM
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Is the Cobb stuff worth the money? There seems to be a community that loves there stuff. I am also interested in this but have not seen one or ran across anyone using any of there stuff. Any help would be appr.


Thanks !
Old Feb 28, 2005 | 06:58 PM
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heres where im confused...u have an STi but you dont have a job??
________
Suzuki Gsx250Fx Specifications

Last edited by svek; Feb 20, 2011 at 10:51 AM.
Old Feb 28, 2005 | 07:00 PM
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Originally Posted by Plasteredcat
Is the Cobb stuff worth the money? There seems to be a community that loves there stuff. I am also interested in this but have not seen one or ran across anyone using any of there stuff. Any help would be appr.


Thanks !
the cobb stuff is "worth" the money in my opinion if you are the type of guy who doesn't want to or have access ability to dyno tune. It's a quick and fast way to upgrade to a ecu reflash without tuning on dyno.
Old Feb 28, 2005 | 07:02 PM
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Originally Posted by svek
heres where im confused...u have an STi but you dont have a job??
I dont know how to answer this question in a proper way, but check my profile. Basically my parents gave me this car for graduation, and im paying for my parts. Getting a job soon though to help them out.

Last edited by xicema17x; Feb 28, 2005 at 07:05 PM.
Old Mar 1, 2005 | 08:14 PM
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alright I will say it again...

you are in the bay area, get yourself a proper dyno tune with EcuTek.

since you don't have a job, you prolly can't afford to rebuild your motor after frying it with COBB's crap.

contact Ed @ www.EQtuning.com, or Mike at www.gruppe-s.com, and treat your STi to what it deserves...
Old Mar 2, 2005 | 12:39 AM
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Originally Posted by Group B
alright I will say it again...

you are in the bay area, get yourself a proper dyno tune with EcuTek.

since you don't have a job, you prolly can't afford to rebuild your motor after frying it with COBB's crap.

contact Ed @ www.EQtuning.com, or Mike at www.gruppe-s.com, and treat your STi to what it deserves...

Sounds pretty harsh, please provide proof if you are going to make broad-sweeping negative comments like this.



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