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Go Back   IWSTI.com: Subaru WRX STI Forums > IWSTI Engine & Drivetrain > 2.5 Liter/Litre Factory Motor


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Old 12-16-2004, 07:06 AM   #1
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I have an 05 and was wondering what I should do about the cat's. Does running catless make it more likely you are going to get boost creep. And what exactly is boost creep? Is it just overboosting and getting a fuel cutoff? I wanted to go catless but am I likely going to see a problem? Any advice would be great. Thanks in advance.
- Will


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Old 12-16-2004, 07:41 AM   #2
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boost creep is something you do not want. it is when the boost will hit high peck uncontrollably. this is caused by your wastegate not being ported do to the increase of power. you will make alot of power by adding a downpipe but you will have to port your wastegate.

great downpipe would be perrin.
automasterno1@aol.com has a great deal on those.

[/u]


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