

Process West Cold Air Intake
Subaru WRX/STI 2008-2014
Features & Product Details
RallySport Direct carries a great selection of high-performance cold air intake systems brought to you by Process West.
Here, you are looking at the Process West Cold Air Intake System. This intake replaces your factory restrictive intake and allows your turbocharger to breathe much easier which will result in more horsepower, more torque, along with better engine response.
DETAILS:
Specifications
Carb Restricted Shipping
If an Item is CARB exempt it means that it has undergone an engineering evaluation by CARB (California Air Recourses Board) and is shown to not increase vehicle emissions. If an item is CARB Exempt it will have an EO (Executive Order) number associated with it. Even if an item has an EO number it is not guaranteed to be CARB exempt for your vehicle. It is important to confirm that your Year Make and Model fall under the CARB EO number associated with the part. That can be confirmed either by checking the CARB website or the manufacturers website.
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REVIEWS & CUSTOMER MEDIA


Excellent product....will require a tune when installed.
QUESTIONS & ANSWERS
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Q: Air straightener rotaxmax33 years ago
Does this have an air straightener like the GS ?
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A: Unfortunately I couldn't quite understand your question, would you mind chatting in to our livechat feature for an answer that way?
Tylo R @ RallySport Direct -
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A: What I meant to ask was if it has air flow straighteners before the MAF like the grimmspeed cold air intake does?
rotaxmax3
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Q: PW FMIC lamaral5 years ago
Is the cold air intake compatible with the PW FMIC for a 2011 STI?
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A: Yes, This should work just fine with their FMIC.
Luis L. @ RallySport Direct 5 years ago
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Q: tune kyleholt01843989 years ago
Will a custom tune be necessary? I assume cobb knee has mas for there's?
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A: Yes a custom tune is required, as Cobb does not have an Off The Shelf map available for this intake.
Kirill C. @ RallySport Direct 9 years ago
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Q: hp BunnyRider11 years ago
how much is the hp gain?
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A: ProcessWest does not post numbers on the intake system. However expect them to be similar to other brand Cold Air intake systems.
Kirill C. @ RallySport Direct 11 years ago
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Q: Pipe size sphillips.islreal7340211 years ago
What is the size of the pipe on this CIA?
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A: It will be the same ID as the OEM system to not effect the MAF
Kirill C. @ RallySport Direct 11 years ago
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