Subaru Airbox STI 2015-2018

$ 165.00

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Product Code: 715160

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The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine bay air that robs horsepower is prevented from entering the intake system to provide consistent intake performance. This unique design also separates rainwater from the intake air, eliminating the water ingestion issues that plague in-fender cold air intakes. This intake airbox is constructed of 16 gauge aluminum, consisting of a one piece surround, directional lid, stainless steel hardware and all the necessary components for a seamless install with OEM quality fit and finish.


COBB SF Air Box for Subaru STI.

Subaru Airbox STI 2015-2018
  • 16 Gauge Aluminum Construction
  • Uses Factory Snorkel to Feed Cold Air to Airbox
  • Benefits of CAI without Water Ingestion Issues
  • Easy Installation
  • OEM Quality Fit and Finish

Customer Photos

Subaru Airbox STI 2015-2018 is rated 4.9 out of 5 by 11.
Rated 5 out of 5 by from Wow!! Makes a big difference I just bought this and ran a datalog before and after... even though it went from 65 to 68 degrees ambient temperature, the intake temperature dropped from 117 to 82 under the same load. I would say that is well worth it. The car feels much more responsive now that it is not sucking in air from a hot engine.
Date published: 2015-03-19
Rated 5 out of 5 by from Much better IAT's I was waiting anxiously for the release of this box! Intake Air Temps are much lower and being managed now. Install was pretty easy and everything was snug. I felt a difference with the box on in this 85 degree weather. pretty satisfied with my set up now that I have my temps down.
Date published: 2015-03-09
Rated 5 out of 5 by from R&D plays a big role. I am positive this will work really well with the SF Intake, if not, better than the previous 08-14 STI Cobb air boxes built before it. Trust me on this...
Date published: 2015-03-05
Rated 5 out of 5 by from Great intake Bought this for my 2016 sti great item goes along great with my accessport but i custom my air box you guys need to hired me for decine jajaj or a coupon at least cobb tuning
Date published: 2018-06-28
Rated 5 out of 5 by from Significantly reduces temperature. Purchased this for intake, and saw temperatures drop an average of 40 degrees at peak temps. Unless you want to have the "hot air intake" we joke about, this is a must.
Date published: 2017-07-17
Rated 5 out of 5 by from Easy Easy instillation although it did not come with instructions i got a card directing me to look at YouTube. Works fine looks good
Date published: 2017-07-19
Rated 4 out of 5 by from Great build quality! Pro; The intake with box looks & sounds great! Con; I wish it kept intake temps a bit cooler on these hot summer days.
Date published: 2015-08-05
Rated 5 out of 5 by from Keep it cooler... Works perfectly and is super easy to install even with Cobb FMIC piping in place.
Date published: 2019-05-01
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