

AEM 21-863WR Cold Air Intake System Fits Select: 2019-2021 SUBARU WRX
Key item features
- Vehicle Fitment: Specifically designed for 2019-2021 Subaru WRX models equipped with the 2.5L 4-cylinder engine.
- Performance Boost: Replaces the factory intake system to increase horsepower and torque, improving throttle response and engine sound.
- Optimized Airflow: Features a mandrel-bent aluminum intake tube with a wrinkle red powder-coated finish, relocating the air filter for cooler, denser air intake.
- Advanced Filtration: Includes an oversized AEM Dryflow synthetic air filter that is oil-free, washable, and reusable for efficient filtration.
- Seamless Integration: Engineered for compatibility with factory emissions control components and is dyno-tested for optimized performance.
- Effortless Installation: Designed for simple bolt-on installation using standard hand tools, making it a straightforward upgrade.
Specs
- Vehicle model21-863WR
- Vehicle year2019, 2020, 2021
- Vehicle makeSubaru
- Vehicle fitment typeSpecific
- BrandAEM
- Automotive specialty part typeCold Air Intakes
- Free shipping
Free 90-day returns
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Compare with similar items
| Product | Viewing this itemAEM 21-863WR Cold Air Intake System Fits Select: 2019-2021 SUBARU WRX ![]() $419.99 current price $419.99 | AEM 2015-2016 Audi A3 L4-2.0L F/I Silver Cold Air Intake System ![]() $367.99 current price $367.99 |
|---|
| Vehicle model | 21-863WRAEM 21-863WR Cold Air Intake System Fits Select: 2019-2021 SUBARU WRX | A3AEM 2015-2016 Audi A3 L4-2.0L F/I Silver Cold Air Intake System |
|---|---|---|
| Vehicle year | 2019AEM 21-863WR Cold Air Intake System Fits Select: 2019-2021 SUBARU WRX | 2015AEM 2015-2016 Audi A3 L4-2.0L F/I Silver Cold Air Intake System |
| Vehicle make | SubaruAEM 21-863WR Cold Air Intake System Fits Select: 2019-2021 SUBARU WRX | AudiAEM 2015-2016 Audi A3 L4-2.0L F/I Silver Cold Air Intake System |
| Vehicle fitment type | SpecificAEM 21-863WR Cold Air Intake System Fits Select: 2019-2021 SUBARU WRX | SpecificAEM 2015-2016 Audi A3 L4-2.0L F/I Silver Cold Air Intake System |
About this item
Product details
Elevate the performance of your 2019–2021 Subaru WRX 2.5L with the AEM 21-863WR Cold Air Intake System. Engineered to unlock greater horsepower, torque, and throttle response, this high-performance system replaces the restrictive factory intake with a free-flowing, dyno-tested design. Air is pulled through an oversized AEM Dryflow synthetic air filter, offering exceptional filtration and airflow without the need for oiling. Strategically positioned to draw cooler air from outside the engine bay, the system helps reduce intake air temperatures and maximize combustion efficiency. The intake tube is crafted from mandrel-bent aluminum and finished in a striking wrinkle red powder coat for durability and a performance-ready appearance. Designed to work seamlessly with the factory emissions components, the AEM 21-863WR is easy to install using standard tools, making it a reliable and stylish upgrade for your WRX.
- AEM 21-863WR Cold Air Intake System 2019-2021 SUBARU WRX 4 Cyl 2.5 L
- Fits 2019–2021 Subaru WRX with 2.5L 4-cylinder engine
- Increases horsepower and torque by replacing factory intake system
- Mandrel-bent aluminum intake tube with wrinkle red powder-coated finish
- Relocates air filter for cooler, denser air intake and improved combustion
- Includes oversized AEM Dryflow synthetic air filter—oil-free, washable, and reusable
- Improves throttle response and enhances engine sound
- Compatible with factory emissions control components
- Dyno-tested and tuned for optimized performance
- Simple bolt-on installation using standard hand tools
- Backed by AEM’s Lifetime Limited Warranty
Specifications
Vehicle model
Vehicle year
Vehicle make
Vehicle fitment type
Warranty
Warranty information
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
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