Quick Exhaust/Intake Question
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This is a discussion on Quick Exhaust/Intake Question within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; Hi all, I just purchased a 2014 wrx and wanted to put the cobb sf intake/airbox with invidia q300 exhaust. ...

  1. #1
    Registered User
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    Sep 2013

    Quick Exhaust/Intake Question

    Hi all,

    I just purchased a 2014 wrx and wanted to put the cobb sf intake/airbox with invidia q300 exhaust. Do I need to tune it or need to buy the cobb access port?

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  3. #2
    Cheeky Bastage! spirited09wrx's Avatar
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    Oct 2009
    Dirty Jerz
    you need at least a stage 1 tune for the intake. If the exhaust is just a catback, then stage 1 is fine. If its turboback, you need a stage 2 tune.

    The cobb AP is just one way to tune the car. They will have a map specifically for your intake. There are other methods like opensource (WTF, Torqued Peformance, etc) and protune, but you don't need to go protune for stage 1, thats just a waste of money IMO
    Teh Intern @ WTF Tuning, LLC

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  4. #3
    Captain James of the SS Impreza has gone down with the ship Drews's Avatar
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  5. #4
    Registered User S20002STI's Avatar
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    Aug 2007
    Garden City, KS
    Probably one of the most common asked questions. When it comes to cars like these and Evos they have picky engines. You have to get a tune. If not it can run bad.

    I know there was only one intake for the Evo made by extreme turbo systems ETS that you can run without a tune.

    I had one ran great. Got the Cobb AP tuned to stage one but they didn't have a tune for the ETS. Tried maps similar and it didn't produce good numbers. Ended up with the Cobb AP.

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