K&N Cold Air Intake Kit: Increase Acceleration & Engine Growl, Guaranteed to Increase Horsepower up to 25HP: Compatible with 2.4/2.5L, H4, 2018-2019 Subaru WRX STI, 69-8009TWR

K&N air intake systems are engineered for increased performance, outstanding durability, and sleek aesthetics—and are available in an assortment of finishes and powder coatings. K&N’s state-of-the-art High-Flow Air Filter helps to shield your engine from contaminants, while a meticulously engineered aerodynamic tube design contributes to a guaranteed increase in horsepower and torque. K&N air intake systems are designed to improve acceleration, towing, and throttle response while providing world class protection for your engine. Our intakes are dyno-tested and provide more airflow compared to OEM intake systems. K&N intakes are easy to install and maintain with air filter cleaning required only every 100,000 miles. Replacement Air Filter: RU-5163Vehicle Fitment: 2018-2020 SUBARU WRX STI

• 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 25HP and up to 11 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 TRUST: K&N air intake horsepower/torque testing is performed on wheel-based dynamometers and the reports are include with each intake system
• FEATURING K&N’s SIGNATURE, REUSABLE AIR FILTER: Combines 4 layers of pleated, breathable cotton with K&N’s red filter oil to absorb dirt and dust particles, allowing clean air to continue flowing into your engine, only needs cleaning every 100,000 miles under normal highway driving conditions
• DURABLE ALUMINUM INTAKE TUBE & CUSTOM HEAT SHIELD: For a more custom look under the hood, a mandrel-bent and powder coated aluminum intake tube helps increase the volume of airflow to your engine, while the heat shield helps protect intake air from the high temperature of your engine bay
• PREMIUM ENGINE PROTECTION FROM A TRUSTED BRAND: K&N air intake will not void manufacturer vehicle warranty & No-Hassle Lifetime Limited Warranty protects for the life of your vehicle
• EASY TO INSTALL: Includes detailed, step-by-step instructions & all necessary parts- the entire air intake system can typically be installed in less than 60 minutes with basic hand tools
• MADE IN THE USA: Proudly made in the USA for trusted quality & reliability and backed by US based customer support