Downpipe Installation
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This is a discussion on Downpipe Installation within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; Just purchased a Perrin DP for me 2012 WRX. Was wondering what other parts I would need to do the ...

  1. #1
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    Downpipe Installation

    Just purchased a Perrin DP for me 2012 WRX. Was wondering what other parts I would need to do the installation? I'm attaching it to the stock exhaust.

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  3. #2
    Registered User maus's Avatar
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    You need a grimmspeed downpipe to catback adaptor and some form of engine management
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  4. #3
    \_(ツ)_/ Rambo's Avatar
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    Exhaust Gaskets as well. You might get away with the existing one since it's a new car, but gaskets are cheap, and will prevent pesky exhaust leaks later.
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    Have AP already so np with engine management.

  6. #5
    FMS
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    Hi ProphetWRX,

    Here is an extremely in-depth how to on how to do a downpipe.
    DIY Stage 2+ (Downpipe, Uppipe, TMIC, EBCS, Ram Intake, Wastegate Blockoff, EWG)

    Just wondering if you have a catted or catless downpipe sir?
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  7. #6
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    Bought a catted downpipe

  8. #7
    FMS
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    Alright just making sure as the AP OTS maps only works with catted downpipe.
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