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K&N Cold Air Intake Kit Increase Acceleration & Engine Growl, Guaranteed to Increase Horsepower up to 18HP Compatible 2.5L, H4, SUBARU (Impreza, WRX STi, WRX STI, II, III),
GUARANTEED INCREASE IN HORSEPOWER & TORQUE K&N cold air intake systems provide a less restrictive path for airflow, increasing the volume of cool, oxygen-rich air into your engine an estimated increase up to 18HP and up to 17 ft.lbs. of Torque HEAR THE GROWL K&N’s intake systems allow your engine to breathe and sound as it should- your engine will growl on acceleration and return to quiet once at speed DYNO TESTING YOU CAN

Price is $400.00

Price: $399.99