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Custom OEM fuel supply and return line adapter fittings
Engineered with Precise Design
all while reducing the turbo lag while improving the throttle response
BOXER® uncorked: A direct bolt-on
COBB Tuning SF Air Intake Box - 2015-2018 Subaru STI PDM_air-oil-separators Custom OEM fuel supply andThe 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