Gutted up/down or buy new?
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This is a discussion on Gutted up/down or buy new? within the New Member Hangout forums, part of the Community - Meet other Enthusiasts category; Has anyone gutted their up/down pipes? I was wondering what is better or cheaper? Im guessing that gutting is cheaper ...

  1. #1
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    Gutted up/down or buy new?

    Has anyone gutted their up/down pipes? I was wondering what is better or cheaper? Im guessing that gutting is cheaper but my big question is performance gains between the two. thanks for the help. Also Im looking to get a cobb access port. Is it pointless to get this before going tbe and up pipe?

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  3. #2
    Master Baiter EJ257's Avatar
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    I've gutted quite a few UPs for people (I usually just make them buy me a 6-pack). This gives you the insurance that a piece of catalytic converter isn't going to get sucked through your turbo, but aftermarket UPs are designed better for flow, and will show results (aftermarket UPs show increases opposed to OEM 2.5L catless ones).

    I would not gut the first downpipe cat. Some people gut the second downpipe cat and replace the first with an aftermarket "shorty" downpipe.

    Shop the classified section over at Nasioc - if you're patient, you can probably get a complete name brand UP and TBE setup for $600 (or less).

    Gutting is a PITA. I don't recommend it to anyone, unless there isn't another option for them with the UP. If you decide to gut the UP, buy a stock used one on Nasioc and gut that. Make sure EVERY piece has been thoroughly cleaned out. Then sell the one you take off your car for the same price.
    2005 WRX STi (Mods | Virtual Dyno)

    Resident Tuner @ WTF Tuning, LLC

    "Never trust anything that bleeds for a week and lives ..."

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