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  • 15-21 WRX/STI
  • COBB SF Blue Intake + Airbox Combo 2019-2021 STI / 2018 STI Type RA
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COBB SF Blue Intake + Airbox Combo 2019-2021 STI / 2018 STI Type RA
COBB SF Blue Intake + Airbox Combo 2019-2021 STI / 2018 STI Type RA
COBB SF Blue Intake + Airbox Combo 2019-2021 STI / 2018 STI Type RA
COBB SF Blue Intake + Airbox Combo 2019-2021 STI / 2018 STI Type RA
COBB SF Blue Intake + Airbox Combo 2019-2021 STI / 2018 STI Type RA
COBB SF Blue Intake + Airbox Combo 2019-2021 STI / 2018 STI Type RA
COBB SF Blue Intake + Airbox Combo 2019-2021 STI / 2018 STI Type RA
COBB SF Blue Intake + Airbox Combo 2019-2021 STI / 2018 STI Type RA
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Load image into Gallery viewer, COBB SF Blue Intake + Airbox Combo 2019-2021 STI / 2018 STI Type RA
Load image into Gallery viewer, COBB SF Blue Intake + Airbox Combo 2019-2021 STI / 2018 STI Type RA
Load image into Gallery viewer, COBB SF Blue Intake + Airbox Combo 2019-2021 STI / 2018 STI Type RA
Load image into Gallery viewer, COBB SF Blue Intake + Airbox Combo 2019-2021 STI / 2018 STI Type RA
Load image into Gallery viewer, COBB SF Blue Intake + Airbox Combo 2019-2021 STI / 2018 STI Type RA
Load image into Gallery viewer, COBB SF Blue Intake + Airbox Combo 2019-2021 STI / 2018 STI Type RA
Load image into Gallery viewer, COBB SF Blue Intake + Airbox Combo 2019-2021 STI / 2018 STI Type RA
Load image into Gallery viewer, COBB SF Blue Intake + Airbox Combo 2019-2021 STI / 2018 STI Type RA

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204-261-3003

COBB SF Blue Intake + Airbox Combo 2019-2021 STI / 2018 STI Type RA

COBB Tuning
cobbSUB00002IA-BL
$828.00 $827.99
Setting the standard for MAF style intakes with a velocity stack, airflow straighteners and composite body...
$827.99
COBB CAN Flex Fuel Upgrade Kit 2018-2021 WRX 6MT
COBB CAN Flex Fuel Upgrade Kit 2018-2021 WRX 6MT
$1,490.99
COBB CAN Flex Fuel Upgrade + Fuel Pressure Kit 2018-2021 WRX 6MT
COBB CAN Flex Fuel Upgrade + Fuel Pressure Kit 2018-2021 WRX 6MT
$1,843.99
COBB SF Blue Intake + Airbox Combo 2019-2021 STI / 2018 STI Type RA
Description

Setting the standard for MAF style intakes with a velocity stack, airflow straighteners and composite body for ultimate performance. Feed your SF Intake cold air using the Subaru factory snorkel. The SF Airbox turns your SF Intake on your 2015+ STI into a cold air intake with OEM looks and fit.

This intake and integrated airbox looks great and combines the benefits of a short ram and cold air intake without the downsides. It features unique design elements to maintain optimal flow and minimize turbulence that can cause engine management issues. A custom conical cloth filter connects to a CFD-designed velocity stack and an air straightener grid that smooths airflow past the MAF sensor for accurate readings, eliminating "dead spots" found in other intakes. No other Subaru intake uses these elements. The one-piece high-temp plastic composite design saves weight and rejects heat better than metal, keeping intake temps cooler. The SF Air Box adds cold air intake benefits by enclosing the SF Intake and blocking hot engine bay air, while also preventing rainwater ingestion—unlike in-fender intakes.

This SF Airbox Kit includes a New Subaru OEM Air Duct that provides fresh air from behind the grill directly into the airbox. This duct is REQUIRED for compatibility with the 2018 STI Type RA and 2019 STI.

  • Composite Intake Body for Heat Rejection
  • Integrated Velocity Stack & Airflow Straighteners
  • Pre-Oiled, Cleanable, Reusable Custom Filter Element
  • Uses Factory Snorkel to Feed Cold Air to Airbox
  • Benefits of CAI without Water Ingestion Issues

Note: Tuning required for 08+ Subarus; COBB offers Off-The-Shelf Maps via the Accessport for easy setup—just install, flash, and go. See the Subaru Accessport Map Database for available SF Intake Maps.

This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO) number:

D-660-77

Installation Instructions

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