AEM Cold Air Intake Silver 2015-2021 WRX

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AEM Cold Air Intake Systems are designed to produce horsepower and torque gains. They replace the restrictive factory airbox and air filter to give you better performance and bette r engine sound. AEM cold air intakes relocate the air filter outside the engine compartment so cooler air can be fed into your engine. Cooler air carries more oxygen, which translates into a more intense explosion in the combustion chamber for more horsepower and torque. Peak Horsepower gain: 25 HP @ 4200 RPM *NOT CARB Compliant* Shipping to California is restricted due to not being CARB compliant. Show more