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If you're looking to replace the stock air intake on your 2018-2017 Subaru Impreza WRX and score the highest results, new AEM Aluminum Gunmetal Gray Cold Air Intake System would be your best bet. Engineered to produce noticeable horsepower and torque gains, this system will work perfectly in combination with aftermarket exhaust components. This is a complete kit that replaces your factory air filter and air intake housing and has been dyno-proven to deliver cooler air to the engine and provide better combustion and more power.

AEM® 21-846C - Aluminum Gunmetal Gray Cold Air Intake System with Red Filter


- HP Gain: Up to 7.1 hp
- RPM Gain: 4100
- Air Filter Material: Non-woven Synthetic
- Includes: Air Intake, 3 Stainless Steel Worm Gear Clamps, Heat Shield
- Delivers more oxygen to the combustion chamber by drawing in cooler air
- Custom designed and engineered to deliver maximum power for each specific vehicle
- Every system includes the innovative, oil-free, high-flow AEM Dryflow™ air filter
- Dyno-tuned air intake pipe constructed of mandrel-bent 6061 aluminum for smooth airflow
- Comes complete with all necessary mounting hardware and comprehensive installation instructions.

AEM™ | Air Induction & Performance Electronics –

Let your Impreza breath easier and perform better with new AEM Aluminum Gunmetal Gray Cold Air Intake System on!​
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