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K&N Typhoon short-ram intake for 2008–2011 Subaru WRX/STI 2.5L H4 applications features a mandrel-bent aluminum intake tube paired with a washable, reusable High-Flow oiled cotton filter. K&N states the system is guaranteed to provide increased horsepower and torque, allows up to 100,000 miles between filter services under normal highway driving, and often installs in under 90 minutes; check CARB status for California legality.
K&N 08-11 WRX/STi 2.5L H4 Red Typhoon Short Ram Intake
