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Old 12-03-2022, 11:22 PM   #1576
K3rm1tth3fr0g
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Member#: 508105
Join Date: Nov 2019
Chapter/Region: NWIC
Location: Greater Seattle Area
Vehicle:
Link G4X flex tuned
02' EJ205 20G 6MT wagon

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Quote:
Originally Posted by Defiant Autospeed View Post
I see these posts on a weekly basis. We all do. It always makes me feel really aprehensive (sp?) when I read it. So I just wanted to put this out there for those that are asking this question.





Are you relatively new to the Subaru thing? Have you ever owned a TRUELY high performance import before? Have you ever owned any HIGH powered car before? Do you have fairly deep pockets?



So if my answer is yes and I want the 400whp and most dynos and money is not an issue, but I want it to be reliable? Iím fine with an engine swap if it means better reliability or easier power. Whatever it takes to get me there. Where would I go for that info? Another requirement is that it has to be 2006/2007.
Post a thread with goals, budget, and use case.

Also talk to a tuner.
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Old 12-10-2022, 02:09 PM   #1577
MattRD
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Member#: 532439
Join Date: Dec 2022
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Quote:
Originally Posted by djmatlow View Post
So what would be a good hp number for a good track car/ canyon carver?? Is 300whp with a killer suspension set up a good idea?

Guess it depends on what kind of track car youre looking at building/what you consider to be fun.
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Old 04-28-2023, 10:45 PM   #1578
edacsac
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Member#: 438973
Join Date: Jan 2016
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Are upgrades of any value if you don't have the STI?


I have a 2016 WRX w/ 62K miles that I would like to get a little more intimate with. I haven't driven it as much the past couple of years, and would like to upgrade it - not just for power, but also to keep 'er nice for a long while. I could go all out financially, but I would rather do what makes sense for the long run.

Nice OP also, even if it's 16 years old.
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Old 07-18-2023, 01:24 AM   #1579
Godtier69
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Great post very well said
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Old 08-10-2023, 10:54 PM   #1580
Ben-Jammin411
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Member#: 523953
Join Date: Apr 2021
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It's great that so many people are so enthusiastic about, modifying their Subarus. That said whether my 2011 WRX or the various other performance vehicles, I've owned, the path that has always been the most fun was some additional power but more importantly a setup that lets me use what's there.

Last edited by Unabomber; 08-11-2023 at 06:53 AM.
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Old 11-20-2023, 03:23 PM   #1581
merlin6014
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Member#: 527564
Join Date: Nov 2021
Location: Australia
Vehicle:
1998 WRX Type R VLim
WRC Blue

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Interesting
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Old 01-19-2024, 12:49 AM   #1582
ericsson
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Member#: 208672
Join Date: Apr 2009
Chapter/Region: TXIC
Location: Houston, TX
Vehicle:
2013 WRX STI Limited
Obsidian Black

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400 whp is slow. May "feel" fast to people who drive under 30 mph tho.
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Old 03-06-2024, 05:38 AM   #1583
restone
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I really appreciate you sharing your detailed insights on building the ultimate street setup for an STI. Your breakdown of the different components and their impact on performance is very informative, especially for those considering modifications.
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Old 04-09-2024, 02:11 PM   #1584
Federighi
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Hey! My message in this thread was deleted for some unknown reason. I found this thread to be very detailed and informative. Is there a reason my voice is not allowed here?

Post #1583 from a brand new member is allowed to stay. Why was my post removed?
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Old 05-15-2024, 02:17 AM   #1585
kgalbreaith
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Thank you for this actual thought out post, helps a lot.
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Old 05-21-2024, 06:07 AM   #1586
george41
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Default Ej207 about 400hp

Hello everybody. I m from Europe. I saw a conversation about 400 horsepower, so I'm asking you to help me in anyway you can. I have a racing subaru impreza for hillclimb races (EJ207 engine). Now the engine should have around 370hp. I have the following parts: a larger tmic (should hold around 500hp), apexi avcr boost controller, bigger radiator, stronger air and water pipes, other ecutek folder, a bigger air filter, racing exhaust manifolds, home made exhaust from inox (diameter 83mm ), bigger fuel pump (340l/min), turbo ihi vf35 and the original injectors, which should have been slightly modified, exedy racing clutch, dogbox gearbox 5 gears gr.N, lsd rear differencial Kaaz and more and more. I want to have a little bit more power. I am looking for turbo Kinugawa Td05-20g and bigger injector 750cc or 1050cc from Deatschwerks. Does anyone help me with some informations is this a good idea to have about 400hp?

Best regards, Gregor
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Old 05-25-2024, 03:29 PM   #1587
dingobite
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Join Date: Mar 2005
Chapter/Region: MWSOC
Location: Lou. ky
Vehicle:
08 OBP Sti

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Sorry im not much help just wanted to say stay away from the kinugawa turbos their just to much miss on what their advertised. It did not take me five minutes find something about pre-hawk transmission cannot handle the torque from a 20g turbo their may be other things to research what works.


Scoobynet.com



https://www.scoobynet.com/general-te...l#post12115794




Im making 400hp its the highest the 2.5xtr has put out four different tunes now.
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Old 05-27-2024, 09:59 AM   #1588
george41
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Hello,

Thanks for answer. I have racing gearbox, which is strong enough gor 600hp and 700Nm od torque (In paid 7000Ä for gearbox). I have also racing lsd rear and front diferencials, racing clutch, racing rear and front sway bar from Whiteline, rear and front strut tower from Whiteline, rear and front control arms Whiteline, front brace Whiteline, adjustable end links Whiteline, suspension AST 5300 serier 3 way. About suspension and drivetrain I am not scarry. I'm just worried about the engine. Original parts (pistons, connecting rods, bearings, screws,...) are strong enough for 400hp with bigger turbo and fuel injectors?

Best regards, Gregor
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