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Old 06-24-2011, 11:08 AM   #1
Do Work
Scooby Newbie
Member#: 286473
Join Date: Jun 2011
Default Is Cobb AP the right way to go?

Hey everyone, I recently got my 09 STi, I've noticed most people run the Cobb Ap for their first mod, Ive done quite a bit of research on it now and Ive noticed that most people who start modifying start with the Cobb Ap, but i also noticed there are so many used units for sale. So it brings me to ask, is it a rookie mistake to buy one ? Is there a better route to go right from the beginning so I don't make the same mistake?

I would like to squeeze a little more power out of the car while keeping it reliable as possible. As of right now I have a greddy catback and a K&n flat panel ( I know i have to go back to stock if I dont get a tune).

Thanks in advance for your help.

Do Work
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Old 06-24-2011, 11:16 AM   #2
Scooby Newbie
Member#: 240688
Join Date: Mar 2010
Chapter/Region: W. Canada
Location: Calgary, Alberta
06 WRX


I'm happy with mine now. It was my first mod; at the time the Cobb firmware left a lot to be desired. Now I'm running a custom tune with a TBE and IC. I had debated selling the AP and getting an open source tune, but at that point cost wasn't a concern so I elected to keep it. The new firmware is great, and you can log a ton of new, useful parameters.

I use mine frequently; basic logging, monitoring live data, occasionally reading engine codes, etc...

It's a handy size, and has a lot of good features. I find it good for someone who won't be doing their own tuning and really diving into that side of things. It's a good safe way to get your feet wet. It's a different means to the same end with a higher initial cost basically.

That said, I understand why a lot of people elect to sell them once they're more familiar with their cars, tuning, etc...
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Old 06-24-2011, 11:20 AM   #3
Do Work
Scooby Newbie
Member#: 286473
Join Date: Jun 2011

Great, thanks a lot for the reply, Ill order mine now!
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Old 06-24-2011, 11:56 AM   #4
Scooby Newbie
Member#: 138697
Join Date: Jan 2007
Chapter/Region: MAIC
Location: Charlottesville, VA
11 WRX Limited 5DR
Satin Pearl


I have owned 4 turbo Subaru models and on all of them i have used the Cobb AP. It is a very user friendly and easy mod to install. The gains are noticeable and help liven up the car a good amount. The biggest thing for me is simply getting rid of the horrible stock tune and running the cobb maps. With the cobb maps, the car pulls harder, runs more boost and most of all, really smooths out the power delivery. All while being very reliable. Some will argue that it is "safer" than the stock tune.

Then, the expandability is also a great feature. As your mods grow and you add power, cobb has maps or "stages" that can be used in conjunction with the new mods to produce more safe, reliable power.

On the flip side, a custom tune or open source is not as user friendly but, will often yield a bit more power all while being cheaper than the AP.

I have had stage 1, stage 2 and stage 3 cobb tuned cars with zero issues. Just dont beat on the car, tune according to your specific mods, and if you need dealer visits (pending you have a warranty) just uninstall the ap and remove it from the car.(given that you are stage 1, mostly stock)

Last edited by darren94; 06-24-2011 at 02:12 PM.
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Old 06-24-2011, 12:24 PM   #5
Scooby Guru
Member#: 117767
Join Date: Jun 2006
Chapter/Region: RMIC
Location: Denver, CO
2011 STI Sedan


Originally Posted by darren94 View Post
... MOST will argue that it is "safer" than the stock tune.


Like mudferret, I was very happy with my COBB OTS stage 1 and stage 2 tunes. However, I considered selling my AP to get a protune as well. In the end I decided to keep the AP and got a protune that works with it. I love being able to use the monitors on the V2 AP to keep track of current boost and AFR levels. Especially since I live at 5,500ft above sea level and my daily driving elevation can increase by up to ~3,000ft.

I say get the AP, run the appropriate OTS tune for your mods and when you are satisfied with your current mod setup, save up for a protune from a local tuner who can tune the AP.
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Old 06-24-2011, 07:06 PM   #6
Do Work
Scooby Newbie
Member#: 286473
Join Date: Jun 2011

Originally Posted by darren94 View Post
. Just dont beat on the car,

Please define beating on the car? I will be tracking my car, I enjoy doing WOT pulls while merging onto the hwy, and i do a lot of "spirited driving", there is no point in having such a fun car if your not going to use its potential...
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Old 06-24-2011, 09:42 PM   #7
Scooby Newbie
Member#: 281820
Join Date: May 2011
Chapter/Region: MAIC
Location: Columbia, MD
2011 STi sedan


I flashed my 2011 STi to Cobb stage 1 at 800 miles and was very pleased with the results. It made the car feel more like what I think it should have felt like from the factory. More power, smother power curve, and enhanced drivability all from 5 minutes with a little plastic box. Awesome product IMO. Since then I've downloaded Cobb's ATR program and using the OTS map as a starting point, tweaked the tune to be even smoother. If you're willing to do some research and learn a little about tuning, the Accessport gives you instant gratification with the OTS tune and custom self tuning via Access Tuner Race. Just go for it. You won't regret it.
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