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Multi-piece design that features side extensions and vortex-generating fins
Swift Sport Mach Springs are manufactured with a unique spring compound H5S
allowing for quicker turbo spool and more consistent power delivery
all while reducing the turbo lag while improving the throttle response
Custom OEM fuel supply and return line adapter fittings
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
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