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AEM Cold Air Intake Red - Subaru STI 2015-2017
AEM Cold Air Intake Red - Subaru STI 2015-2017
AEM Cold Air Intake Red - Subaru STI 2015-2017
AEM Cold Air Intake Red - Subaru STI 2015-2017
AEM Cold Air Intake Red - Subaru STI 2015-2017
AEM Cold Air Intake Red - Subaru STI 2015-2017
AEM Cold Air Intake Red - Subaru STI 2015-2017
AEM Cold Air Intake Red - Subaru STI 2015-2017
AEM Cold Air Intake Red - Subaru STI 2015-2017
AEM Cold Air Intake Red - Subaru STI 2015-2017
AEM Cold Air Intake Red - Subaru STI 2015-2017
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User Media for: AEM Cold Air Intake Red - Subaru STI 2015-2017
User Media for: AEM Cold Air Intake Red - Subaru STI 2015-2017
User Media for: AEM Cold Air Intake Red - Subaru STI 2015-2017

AEM Cold Air Intake Red

Subaru STI 2015-2017

Read 4 Reviews | 13 Q&As
Part # 21-735WR
$302.99
msrp: $446.69

In stock!
Ships today if ordered in
6 hrs 29 mins

Features & Product Details

RallySport Direct is proud to provide you with another quality performance intake system brought to you by AEM.

On this page, you are looking at the AEM Cold Air Intake System designed specifically for your application to replace the factory restrictive intake system to increase both power and performance. This is a complete kit that replaces your factory air filter and air intake housing and has been dyno-proven to produce more power and torque.

Here are the details:

  • Tuned and dyno-tested to improve acceleration and engine sound
  • Low restriction aluminum intake pipe
  • Intake pipe will come powder-coated a wrinkle red color
  • Air filter can last up to 100,000 miles before cleaning is required
  • Air filter is washable and reusable
  • Increased horsepower
  • Improved throttle response
  • Improved torque
  • Reduced turbo lag
  • Increased intake sound
  • Includes heat shield
  • Includes new clamps
  • Product Video

    Specifications

    Brand: AEM
    Carb Exempt: Yes
    Carb E.O. Number: D670-18
    Filter Color: Red
    Filter Element Type: Dry
    Filter Material: Cotton
    Filter Reusable: Yes
    Includes Airbox: Yes
    Piping Color: Red
    Piping Material: Aluminum
    Tuning Required: Yes
    Mfgr. Warranty: Limited Lifetime 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.
    Standard
    WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

    PEOPLE WHO VIEWED THIS ITEM ALSO VIEWED

    REVIEWS & CUSTOMER MEDIA

    4 Reviews
    5 out of 5 Stars
    5 Stars
    (4)
    4 Stars
    (0)
    3 Stars
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    2 Stars
    (0)
    1 Stars
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    Customer Photos and Videos
    AEM Cold Air Intake Red ( Part Number: 21-735WR)
    AEM Cold Air Intake Red ( Part Number: 21-735WR)
    AEM Cold Air Intake Red ( Part Number: 21-735WR)
    AEM cold air on my 2015 STI  3 months ago
    5out of 5stars

    Great looking product easy install and after my tuner set up my Access port for it I'm very happy with the performance and sounds I get from my turbo all in all a great product. But you will need to get a tune for it
      
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    2 of 2 people found the following review helpful
    Great Intake! 5 years ago
    5out of 5stars

    High quality intake and it fits great! I included a highly detailed video of the install if anyone was unsure how to install it.
      
    Was this review helpful?
    2015 STI 5 years ago
    5out of 5stars

    Sounds much better under the hood. I have the stock BOV and you can hear it much better now. The car feels a bit better under boost as well. Install was simple and fast with basic hand tools. Cleans up the appearance of the engine bay as well because it deletes a lot of plastic. The wrinkle red finish is not quite an exact match but so close that you cant tell unless its pointed out in a well lit area. (and I'm super picky here) Very good product and fast shipping. Thanks Rallysportdirect!
      
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    Great Intake! 6 years ago
    5out of 5stars

    This AEM intake is incredibly high quality, it flows incredibly well and on top of that it looks and sounds great! Easy to install, easy to maintain, just a good intake all around!
      
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    QUESTIONS & ANSWERS

    • Q: Turbo XS FMIC  Jesus STI7 months ago

      I have a Turbo XS FMIC and was wondering if this intake fits well without any modifications? I am currently running a Cobb intake and am not able to use the air box with it.
      • 0 of 0 people found the following answer helpful

        A:  With the way the FMIC pipes are routed, you would not be able to use the airbox on this kit either. But at least you would still be drawing up cool air from the fender as opposed to the engine bay which would be a plus.

        Rick C. @ RallySport Direct 6 months ago  
          
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    • Q: AEM Cold Air Intake with Perrin Turbo Inlet  kiiiiim1 year ago

      Hi! I have the Perrin Turbo Inlet (PSP-INT-401RD) installed on my 2015 STi and I am wondering if the AEM Cold Air Intake (21-735WR) is compatible with the said turbo inlet. Thank you very much!
    • Q: Fitment 2017 sti  KC1 year ago

      What is the diameter of the intake pipe? Will the coupler fit on a perrin turbo inlet?
      • 0 of 0 people found the following answer helpful

        A:  I believe it is roughly 2-3 inches, you should not have a problem fitting this on a Perrin turbo inlet.

        Tylo Akiona
          
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    • Q: Fitment  Sunny1 year ago

      Will this fit my 2019 STI?
      • 0 of 0 people found the following answer helpful

        A:  This part is no confirmed for your car.

        Michael N.
          
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    • Q: Perrin FMIC  Coty2 years ago

      I already have this intake installed and prefer not to change it. Does the Perrin FMIC fit with this intake? 2015 STI