COBB SF Airbox 2019-2021 STI / 2018 STI Type RA YMM_2023_Legacy featuring a 7 kgf/mm spring

featuring a 7 kgf/mm spring rate front and rear

or high-performance street use

COBB’s SF Intake System

this exhaust system is backed by Borla’s Million-Mile Warranty

Upgrade your Subaru’s performance and style with the WORK Emotion T7R GT Silver 18x8

COBB SF Airbox 2019-2021 STI / 2018 STI Type RA YMM_2023_Legacy featuring a 7 kgf/mm springThe SF Airbox 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