• COBB [19 - 21 STI , 18 STI Type RA] SF Airbox - JDMuscleAir Boxescobb716100
  • COBB [19 - 21 STI , 18 STI Type RA] SF Airbox - JDMuscleAir Boxescobb716100
  • COBB [19 - 21 STI , 18 STI Type RA] SF Airbox - JDMuscleAir Boxescobb716100
  • COBB [19 - 21 STI , 18 STI Type RA] SF Airbox - JDMuscleAir Boxescobb716100
  • COBB [19 - 21 STI , 18 STI Type RA] SF Airbox - JDMuscleAir Boxescobb716100
  • COBB [19 - 21 STI , 18 STI Type RA] SF Airbox - JDMuscleAir Boxescobb716100
  • COBB [19 - 21 STI , 18 STI Type RA] SF Airbox - JDMuscleAir Boxescobb716100
  • COBB [19 - 21 STI , 18 STI Type RA] SF Airbox - JDMuscleAir Boxescobb716100

COBB Tuning

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SF Airbox

Fits: 19-21* STI, 18 STI Type RA

$29000
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39 in stock
Pay over time available · Est. $9.06/payment
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Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.

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Pay over time available · Est. $9.06/payment
ⓘ

Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.

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COBB Tuning SF Airbox
Fits: 19-21* STI, 18 STI Type RA
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Fitment

Please Note: Official COBB fitment: 2019–2021 Subaru STI and 2018 STI Type RA. The approved 2018–2021 STI bucket is broader than the manufacturer range; the included OEM air duct is required for 2018 Type RA and 2019–2020 STI compatibility.
  • 2018 Subaru | WRX STI Type RA
  • 2018-2021 Subaru | WRX STI

Description

The COBB Tuning SF Airbox encloses the SF Intake on 2019–2021 Subaru STI models and the 2018 STI Type RA, using a durable aluminum enclosure and a fresh-air duct to reduce hot engine-bay air and water-ingestion risk. The airbox is shaped for this generation and provides an OEM-quality installation finish.

  • Fits 2019–2021 Subaru STI and 2018 STI Type RA
  • 16-gauge aluminum one-piece surround with directional lid
  • Uses the factory snorkel to feed cold air to the airbox
  • Includes the Subaru OEM air duct required for 2018 STI Type RA and 2019–2020 STI compatibility
  • Helps prevent hot engine-bay air from entering the intake
  • Separates rainwater from intake air to reduce water ingestion risk
  • CARB Executive Order reference: D-660-106
  • Product code: 716100
  • References: COBB Tuning product page

Shipping and Delivery

Review our Shipping Policy for delivery details, shipping costs and exclusions.

Warranty and Support

For COBB Tuning warranty information, contact our support team.

Return and Refund

Eligibility, exclusions, applicable fees and exceptions are detailed in our Return Policy. Restrictions apply to special-order and custom products.

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Proposition 65 Warnings: cancer and reproductive harm www.p65warnings.ca.gov