Catless divorced DP with Cobb stage 2? - Page 2
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This is a discussion on Catless divorced DP with Cobb stage 2? within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; Originally Posted by starkall Catless will more than likely over boost on Cobb OTS maps. Mine did. Just pro tune ...

  1. #16
    Master Baiter EJ257's Avatar
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    Quote Originally Posted by starkall
    Catless will more than likely over boost on Cobb OTS maps. Mine did. Just pro tune and be done with it.
    It depends on the type of "overboost" you're referring to. A boost spike can be tuned out with the WGDC/TD/Comp tables, while boost creep cannot.
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    Darth Dizzle Romdizzle's Avatar
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    I plan on it when I get some extra cash. Just want to make sure I can run the dp in the the meantime because I have it and the ap. Thanks for the responses all.

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    OMG WTF MainFrame's Avatar
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    Quote Originally Posted by Romdizzle View Post
    I plan on it when I get some extra cash. Just want to make sure I can run the dp in the the meantime because I have it and the ap. Thanks for the responses all.

    yea, the answer is... maybe, lol

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    Registered User EndlessSea's Avatar
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    perhaps the bugeyes are more forgiving. because my friends '02 wrx is running a Cobb OTS stage 2 map and a full catless turboback. no problems, no issues, its not running lean or boost spiking in any way. not saying its the right thing to do but it pulls hard and smooth with no ill effect for the last few years that he's had it

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    OMG WTF MainFrame's Avatar
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    Quote Originally Posted by EndlessSea View Post
    perhaps the bugeyes are more forgiving. because my friends '02 wrx is running a Cobb OTS stage 2 map and a full catless turboback. no problems, no issues, its not running lean or boost spiking in any way. not saying its the right thing to do but it pulls hard and smooth with no ill effect for the last few years that he's had it

    Bugeyes are more forgiving, you don't even need a tune to safely run a TBE.. that, and Cobb stage two maps for those years are designed for use with catless exhausts. Also you have to cinsider the fact that boost creep is a direct result of the wastegate not flowing enough to bypass the turbo, and 02-07 WRXs come with a completely different turbo, wastegate included.

  7. #21
    Registered User SubiEj255's Avatar
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    Quote Originally Posted by MainFrame View Post
    Overboost codes are common, although I would be more concerned with the knock associated with over boosting than the code itself.
    This is what I was going to say. I had this problem. I was getting 3-4 counts of knock. It didn't matter with map I used LWG/SLWG, they all over boosted and knocked. I had to get a protune. That was my only option.

    I don't think it's a good idea to run those OTS maps with a catless TBE; whether the cat is in the DP or custom put else where.
    A car is only as good as its driver

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