Mods and Reliability
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This is a discussion on Mods and Reliability within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; I was wondering if I am dramatically compromising the reliability of my car with a turbo up, dp, and cat-back ...

  1. #1
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    Mods and Reliability

    I was wondering if I am dramatically compromising the reliability of my car with a turbo up, dp, and cat-back (all catless), along with a AEM intake (not CAI)? I am under the assumption that these mods should not kill life on my motor I just would like input from everyone here. Thanks again for all the help guys!

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  3. #2
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    Pass on the intake unless you are going to get a professional tune done. The exhaust componets alone shouldnt reduce reliabilty at all. But I would include some kind of engine management to that list for safety reasons.
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    Which EM?

    I would like to purchase the Cobb AP is that substantial enough? Also do I need a dyno to use the Cobb? I do not have a tuner within 100 miles it seems anymore because my tuner blew his dyno with a TT viper also the intake is a short ram intake does that require a professional tune? It is funny how much I am learning about my car when I have no tuner ..... so much to learn here!!
    Last edited by urbancowboy6221; 11-25-2006 at 10:03 AM.

  5. #4
    Registered User tayhadar1's Avatar
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    Quote Originally Posted by urbancowboy6221 View Post
    I would like to purchase the Cobb AP is that substantial enough? Also do I need a dyno to use the Cobb? I do not have a tuner within 100 miles it seems anymore because my tuner blew his dyno with a TT viper also the intake is a short ram intake does that require a professional tune? It is funny how much I am learning about my car when I have no tuner ..... so much to learn here!!

    No you do not need a dyno for the ap. The ap has maps preloaded, and stage 2 would be the map for turbo back exhaust. Do not get the intake. DO NOT GET THE INTAKE. Trust Me, your car will run better with the stock air box.
    2004 WRX Sti Cobb Stage 2
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  6. #5
    Registered User tayhadar1's Avatar
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    This is what kind of power you would be making with a cobb stage 2.

    http://cobbtuning.com/images_products/2657.jpg

    Very reliable setup in my opinion. (The map above is for 02-05 wrx)

    If you have an 06 here is what stage 2 looks like:

    http://cobbtuning.com/images_products/2656.jpg
    2004 WRX Sti Cobb Stage 2
    GO COUGS!!!

  7. #6
    Administrator RayfieldsWRX's Avatar
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    Any modification that enhances power output is going to compromise the ultimate lifespan of your engine in some way if you use the power. Having said that, I don't think that the stage 2 mods you're talking about would make much of a difference in the long term.
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  8. #7
    Moderator   Sasquatch's Avatar
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    Stage 2 is the WRX Subaru should have given us.

    Below is a large part of the reason - the OEM restrictive, el cheapo downpipe on the right and my virginal Cobb down pipe on the left.
    Attached Thumbnails Attached Thumbnails DPS.jpg  
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    reinstall

    is it hard to reinstall your stock air box?

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