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This is a discussion on Newb within the New Member Hangout forums, part of the Community - Meet other Enthusiasts category; Originally Posted by Rambo Did you read the Cobb Tuning website? They literally answer every question you just asked... Let ...

  1. #16
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    Sep 2011
    Quote Originally Posted by Rambo View Post
    Did you read the Cobb Tuning website? They literally answer every question you just asked...

    Let me google that for you

    Sent from my Droid 2
    I did read the website but (1) I don't think they answer each of the questions I had in a user-friendly manner, (2) I was hoping to get information from a non-biased source, and (3) I thought a forum dedicated to "newb" issues would be a good site to ask "newb" questions.
    Last edited by LowLow; 10-31-2011 at 10:31 AM.

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  3. #17
    ¯\_(ツ)_/¯ Rambo's Avatar
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    An accessport is a small device that connects to the stock ECU and uploads a custom engine map to it. You can load the stock map back on at any time.

    Cobb provides "off the shelf" maps, which will improve performance if you follow the very specific modifications they specify in their map notes. A better option is to have a professional tuner create a custom map for your specific car, which can be saved on the AP and uploaded to the ECU.

    If you have a completely stock car, you can use Cobb's Stage 1 map, which smooths out the powerband and adds some more power and torque. This is what I have on my 2003, and while it won't suddenly give your car superpowers, it does give a noticeable power boost, and like I said, smooths out the power band quite a bit. Lots of people say Stage 1 is "how the car should have come from Subaru".

    The AP also has data logging functionality (helpful when troubleshooting and tuning), and can readback some engine data like boost, etc.

    So yes, it does significantly improve performance, but think of it more as the container for the real star of the show, the tuning maps, which is really what you're paying for when you buy a Cobb Accessport.

    Cobb is like the "Apple" of the tuning world. The Accessport is dead simple for anyone to use and works great, but the simplicity comes at a price. Open source tuning is much cheaper (<$200), but "there be dragons ahead..."
    Last edited by Rambo; 10-29-2011 at 05:58 PM. Reason: Fixed some phone typos
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  4. #18
    Master Baiter EJ257's Avatar
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    Quote Originally Posted by bradboyd80
    I haven't done enough research to be able to answer some of that. You are right in that essentially all you do is buy the accessport, and through the OBD port you retune the ECU, which can add some extra horsepower. But keep in mind it's not as simple as "plug it in and go". I've never personally used one, but I'm pretty sure you have to download a map from the Cobb website to the accessport. Then when you plug it into the car, you can load the map to your ECU. Gains are usually minimal for a stock vehicle however (for the WRX I don't know what the gains are yet). But, once you add an intake, exhaust, downpipe, or other bolt on mods, is when you notice the largest gains.
    Missed this thread earlier. Welcome to the site!

    You're pretty spot on for a "newb"

    The AP should come pre-loaded with a few maps (likely StageI and StageII). Other maps are available for download off their site, and some vendors sell third-party maps (e.g., Torqued Performance) you can load as well.
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