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Go Back   IWSTI.com: Subaru WRX STI Forums > IWSTI Engine & Drivetrain > ECU Tuning & Performance Electronics


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Old 08-05-2008, 05:23 PM   #1
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Question ECU Flash.which one is the best?

Had my STI for three weeks now,over 1k miles on my Baby.Oil changed and ready for some upgrades.Love it!
This Turbo thing is all new to me,just sold my Vw r32.
I recently installed Agency Power Cold Air Intake,and INvidia Catted Downpipe.Car runs great ,and with OEM Exhaust is quiet ,and yet very powerful,but the ECU begs for some fine tuning,especially after CAI and Downpipe were installed.
Any suggestions would be greatly appreciated,which ECU Flash would be the best for my needs.I do not race the car,but do some Autocrossing,and the car is a daily driver.
Do not want to blow that thing up,and really would like to keep the car for a while.
I am in Fairfield County,Connecticut .Who would you recomend to do the job???


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Old 08-05-2008, 05:35 PM   #2
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Default Re: ECU Flash.which one is the best?

Quote:
Originally Posted by mikesail123 View Post
Do not want to blow that thing up,and really would like to keep the car for a while.
GET A TUNE ASAP!

For real man, if you got a DP and CAI you will need a tune. Go buy an AccessPORT and find a local tuner and get it tuned!

CobbTuning.com - 08 STi AccessPORT
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Old 08-05-2008, 05:48 PM   #3
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Default Re: ECU Flash.which one is the best?

Quote:
Originally Posted by mikesail123 View Post
Had my STI for three weeks now,over 1k miles on my Baby.Oil changed and ready for some upgrades.Love it!
This Turbo thing is all new to me,just sold my Vw r32.
I recently installed Agency Power Cold Air Intake,and INvidia Catted Downpipe.Car runs great ,and with OEM Exhaust is quiet ,and yet very powerful,but the ECU begs for some fine tuning,especially after CAI and Downpipe were installed.
Any suggestions would be greatly appreciated,which ECU Flash would be the best for my needs.I do not race the car,but do some Autocrossing,and the car is a daily driver.
Do not want to blow that thing up,and really would like to keep the car for a while.
I am in Fairfield County,Connecticut .Who would you recomend to do the job???
It's a good bet that you will blow your engine up soon with those mods if you don't get some ECU tuning done. I would suggest you take it easy (driving in "I" mode should keep you safe) until you do. There are various options for ECU tuning, but as far as I can tell, the AccessPort is the overall winner for our cars, hands down.
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Old 08-05-2008, 05:52 PM   #4
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Default Re: ECU Flash.which one is the best?

Let me just echo the sentiment that you need EM pronto! Leave it on "I" and take it easy until you do. Oh, and congrats on the new ride.

I'm always curious about VW reliability? How was your experience?
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Old 08-05-2008, 06:07 PM   #5
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Default Re: ECU Flash.which one is the best?

cobb accessport and go see xxtuning since you live in CT.
talk to chris, he'll let you know anything and have suggestions.
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Old 08-05-2008, 06:07 PM   #6
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Default Re: ECU Flash.which one is the best?

Your engine HATES you right now! Get an AP or tune asap.
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Old 08-05-2008, 06:14 PM   #7
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Default Re: ECU Flash.which one is the best?

Seriously you don't even need the CAI, probably one of the last things you need to worry about! The stock intake is actually a very good design. Just get a nice up-rated dry media drop in filter and call it a day!
Seriously get a tune ASAP, STI's in general do not like certain mods without a proper tune not to mention the fact the the OEM maps are notoriously pretty crappy!
Do a quick search and bring your self up to speed with which mods are healty for your car etc and since you are new to the Subie game you may want to check out this for a few seconds:

Unabomber's Manifesto - NASIOC

Lots of good info to get you started!

Congratulations on the new ride!!

enjoy!
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Old 08-05-2008, 06:16 PM   #8
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Default Re: ECU Flash.which one is the best?

Quote:
Originally Posted by cn07ob View Post
Your engine HATES you right now! Get an AP or tune asap.
yep!
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Old 08-05-2008, 08:24 PM   #9
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Default Re: ECU Flash.which one is the best?

looool
I wouldn't even drive the car anymore till you got an AP or ecuflash if i were you.
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Old 08-06-2008, 04:46 AM   #10
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Default Re: ECU Flash.which one is the best?

Wow!
Thanks guys for the info.
On my way to ICS in Stamford!!
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Old 08-07-2008, 04:29 AM   #11
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Default Re: ECU Flash.which one is the best?

Thank you all for the info!!
Got the car tuned (Cobb)and Dynoed.
The car runs much better than stock,and I am getting better Fuel Economy.
Agency Power CAI,Invidia Catted Downipe make a huge difference.No CEL!!
Boxer Engine Sound is slighly more audible,but with OEM Exhaust which is almost as free flowing as any aftermarket stuff,the car is quiet and powerfull.
That is what I wanted.More power down low,and no noise.
Thanks again for all the tips!!
As far as VW R32 goes.I miss it somewhat,but the STI is a much better car.
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Old 08-07-2008, 05:34 AM   #12
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Default Re: ECU Flash.which one is the best?

Sounds Good! Good Luck with the car and glad you got a tune on your ride.
You should post your numbers since you have an '08!, always good to hear what people put down with different set ups, even stock/ close to stock!

enjoy!
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Old 08-07-2008, 09:54 AM   #13
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Default Re: ECU Flash.which one is the best?

I'm guessing most, if not all, your gains came courtesy of the DP. Throw your plot for all to see. Always nice to compare, realizing that figures can fluctuate dramatically due to dyno/condition variability.

I was with you re the quiet power the stock CBE gives you....but when Magnaflow called and I had the chance for a free CBE (which is perfectly aligned), I couldn't say no. I'm still open to a sub $500 axleback to give me some more rumble than stock.
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Old 08-07-2008, 01:17 PM   #14
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Default Re: ECU Flash.which one is the best?

post up your dyno
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Old 08-07-2008, 01:32 PM   #15
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Default Re: ECU Flash.which one is the best?

Get the COBB AP. Flash that thing ASAP, I would seriously take the CAI and the exhaust off today and drive around with it stock until you can get it pro tuned. These things are real finicky like that... Too bad you wasted you $ on a CAI, the stock box with a K&N drop in is good for 350 hp...
WELCOME


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