COBB Tuning SF Air Intake Box - 2015-2018 Subaru STI PDM_air-oil-separators Multi-piece design that features side

Multi-piece design that features side extensions and vortex-generating fins

all while reducing the turbo lag while improving the throttle response

BOXER® uncorked: A direct bolt-on

Engineered with Precise Design

COBB Tuning SF Air Intake Box - 2015-2018 Subaru STI PDM_air-oil-separators Multi-piece design that features sideThe Cobb SF Intake System: Built for the OTS Map The Cobb SF Intake System for the 2015 2021 Subaru WRX STI is the intake that every Cobb Stage 2 OTS map is calibrated for. It's not just an intake it's the intake that makes the Cobb tune deliver what Cobb publishes. The SF design uses a sealed airbox to draw from outside the engine bay heat, reducing intake air temperatures versus an open element design that draws from hot underhood air. Heat Is the