Cosworth High Flow Air Intake System ( Part Number:COS1 20019422)

Cosworth High Flow Air Intake System

MODEL # COS1 20019422
Manufacturer Part # 20019422


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Cosworth's High Flow Intake Systems feature increased surface area of the element, large smooth radius bent aluminum inlet tubes for superior air flow management coupled with a high flow air filter for maximum air flow and performance.

Each kit includes an integrated heat shield designed to isolate the air intake from engine heat - delivering cold air into the engine for superior power conversion. The filter element is large, conical in shape and engineered to dramatically reduce intake restriction resulting in additional power and torque.
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Brand: Cosworth
Carb Exempt: [

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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Filter Color: Blue
Filter Element Type: Dry
Filter Material: Cotton
Filter Reusable: Yes
Includes Airbox: Yes
Piping Color: Silver
Piping Material: Aluminum
Tuning Required: No

Mfgr. Warranty: 1 Year Limited Warranty
Condition: New Product
Return Policy:

RallySport Guarantee - 30 Days

Items that are covered under the RallySport Guarantee offer a 30 day no questions asked return policy.

RallySport Guarantee items may be returned within 30 days of the original invoice date and must include all the original parts and contents for a refund.

The RallySport Guarantee does not apply to products that have been modified, damaged, misused or abused. All returns require an RMA (Return Merchandise Authorization) Number, and freight charges are strictly non-refundable. For more information regarding our freight refund policy, please refer to our return policy page found HERE.


Verified Purchase

jay-robertson 1 month ago
Worth it, had the Cobb SF with box prior and this intake is better all around. Intake temps are down 20-30 degrees on average, sounds way cleaner with the intake suction noise too and I actually think it improved throttle response and it just feels like the whole engine is breathing more freely comparatively. Not to mention the filter is bigger and higher quality. Would buy again, highly recommended

Costly, but worth it
joe.p 2 years ago
Easy install, took just under an hour. Instructions are proper. Amazing noise, installed with Perrin turbo inlet tube, mates up nicely. Everything about this product feels solid. And as a side note, for those of you worried about water intake, the Injen 1034 Hydro-Shield fits perfectly over Cosworth's supplied filter.
Verified Purchase

great product
bogo101188321 2 years ago
Ive had this in my car for about five months now, and im still loving it. love the sound, the extra power; not a ton, but definitely noticeable. supper easy to install, but if your from CA and time for a smog just remember to keep your stock CAI because this item wont pass smog. highly recommend anyone whos shopping for a CAI to pick up a cosworth.
Verified Purchase

High quality intake with wonderful sound
vXTotalChaosXv 3 years ago
Installed this intake on my 2009 WRX and I absolutely love it. No CELs or drivability issues after a few days but will most likely have my tuner work on my MAF scaling just to be safe. Install took about 45 minutes and I love have something say COSWORTH under my hood. Would recommend this product to anyone who doesn't want a CAI and wants a Cobb alternative.
Verified Purchase

Great product
codyrimel25905 3 years ago
This is a well built product and went on perfect. In the factory picture it shows the filter going inside the fender.. I would say 1/2 of the filter is in the fender if that and is visable from the engine bay.. vs the aem completely in the fender. It is a good mix of the SF and cold air..

  • Q: picture of part   AdamH. 2 days ago


    Do you have any pictures of this installed on an 2010-15 evo?

    • A: This intake is for Subaru's only. But no we do not have any pictures of this installed on an EVO.

      Tyler A. 2 days ago
  • Q: mid range  cheatobandito92053 2 years ago


    I just bought this intake for my 2014 wrx and it has a great sound to it but it feels like i lost power in the mid range between 3-5rpm. i swear it feels like my car is slower now. i installed it and re installed it to check and make sure i had no loose fittings. Any ideas what is wrong?

    • A: A proper tune would be recommended, although tuning is not required for intakes there is always more benefits to having a vehicle tuned for it.

      Nick S. 2 years ago
  • Q: Warranty  nesqik 2 years ago


    Will this void factory warranty ?

    • A: It is best to contact your local dealership regarding factory warranty.

      Kyle A. 2 years ago
  • Q: picture  tfanuzzi4040643 3 years ago


    any possible way you can post a picture of how this intake sits in a 08-14 car seems much shorter then cai and lovger then a sri does it sit low or does it sit into the hole in the fender behind stock air box when you install this any help would be apreciated

  • Q: California CARB approved??  Anthony Saracino 3 years ago


    Is this intake smoggable in California

    • A: This intake will not be CARB approved.

      Kyle A. 3 years ago
Subaru Impreza
WRX Sedan 2008, 2009, 2010, 2011, 2012, 2013, 2014WRX Hatchback 2008, 2009, 2010, 2011, 2012, 2013, 2014WRX Premium Sedan 2010, 2011, 2012, 2013, 2014WRX Premium Hatchback 2010, 2011, 2012, 2013, 2014WRX Limited Sedan 2010, 2011, 2012, 2013, 2014WRX Limited Hatchback 2010, 2011, 2012, 2013, 20142.5 GT Sedan 2009, 20102.5 GT Hatchback 2009, 2010