Cold Air Intake
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This is a discussion on Cold Air Intake within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; Hey guys , I recently bought an 04 wrx wagon. It has a stock filter at the moment, and I ...

  1. #1
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    Cold Air Intake

    Hey guys , I recently bought an 04 wrx wagon. It has a stock filter at the moment, and I was thinking of putting in something better that gives noticiable power to the car. Which would be the best one, or a good cold air intake to put in? Not too expensive, I'm looking around $100-150.

    Thank you
    Ed

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  3. #2
    He simply abides. SD_GR's Avatar
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    Leave it stock.
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  4. #3
    Subaru Newb MainFrame's Avatar
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    An intake won't have any effect on power, and must be tuned for unless you feel like replacing your engine.

  5. #4
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    Ok gotcha, thank you guys!

  6. #5
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    I'm not sure whether a tune would be needed for an '04. For recent years (08 on), a cold air intake would mess up the MAF sensor calibration, but I believe that's not true for some of the older cars.

    Even if it's perfectly safe without a tune, it's not supposed to add significant power. (Some may like it as a noisemaker.)

  7. #6
    Bill Freakin Murray TownLine500's Avatar
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    Cobb catted down pipe would give you a nice gain, add that 2 a cat back system. Then tune for best results.
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