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

Cobb Tuning AccessPORT for a stock 05 sti?

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Old Jul 26, 2005 | 08:32 AM
  #1  
rathead's Avatar
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From: aurora illinois
Cobb Tuning AccessPORT for a stock 05 sti?

is it worth it? are there gains with just this set-up?
i was thinking of doing this for my first mod.
thanks
Old Jul 27, 2005 | 08:47 AM
  #2  
sebring vetran's Avatar
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Car Info: '05 WRX STi
I'm thinking about this too...Cobb claims 25hp...is it true?
Old Jul 27, 2005 | 11:08 AM
  #3  
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this is what i hear.
Old Jul 27, 2005 | 01:15 PM
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keep in mind that the cobb setup may be "finicky" with certain aftermarket parts you may/may not have on the car(or plan on getting) i would suggest spending a lil more money and look into ecutek.



aloha from the summit of *-^-Mauna Kea-^-*
Old Jul 27, 2005 | 06:15 PM
  #5  
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Car Info: 2005 LGT wagon
Cobb AP.
ECUtek.
As it stands, AP allows map switching & custom tuning.
ECUtek doen't....yet.
Once/if ECUtek developes/releases their version of the AP, it'll be 6 one, half dozen the other.

With supporting mods, AP took my 227whp/230tq to 265whp/271tq.
With no problems, issues or concerns.
That's before my custom tune, which will provide another (estimated) 20-30 whp.
Again, with a good safety margin.
Old Jul 28, 2005 | 06:08 AM
  #6  
sebring vetran's Avatar
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Just when i think i made up my mind...now more confusion than ever... I guess i liked the Cobb AP because they are exclusive to Subie's and should know how best to deal with them...more homework to be done...if no other mods would the AP still have problems?????
Old Jul 28, 2005 | 06:35 AM
  #7  
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I wouldn't use AP unless you're having someone tune your vehicle using ProTuner, not off-the-shelf maps.
Old Jul 29, 2005 | 08:39 AM
  #8  
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Originally Posted by Group B
I wouldn't use AP unless you're having someone tune your vehicle using ProTuner, not off-the-shelf maps.

why would you say this? just wondering.
i need to research this before i jump into something

edit: i guess what i am really asking are the base maps ok to start with.
i dont plan on donig exhaust, dp, etc anytime soon.
Old Jul 29, 2005 | 09:43 AM
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Base maps are okay on a stock setup. Nothing like a custom tune, but they should be safe, and you should see some decent power even from a stock setup.
Old Aug 1, 2005 | 01:46 PM
  #10  
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Car Info: 06 Sti GST TUNED
Cobb Ap's were good, but now with many dyno shops having the ability to use the "Cobb Pro Tuner," you can get a custom tuned map for your car, plus the ability to switch to stock or valet mode if needed and clear fault codes. also, this can be done for the price of the access port plus $180 or so in tuning which makes it about the same price as an ECUTEK. It Seems like now, the AP is a little better than just an ecutek reflash.
Old Aug 1, 2005 | 10:46 PM
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180 for a protune wheres that? the only place in so cal that protunes is harmanmotive and they want 499 for a protune
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