AEM Cold Air Intake System: Easy Installation, Engineered to Maximize Airflow, Boost Horsepower & Torque, AEM-21-863WR
Product details
| Management number | 254242381 | Release Date | 2026/11/07 | List Price | US$168.00 | Model Number | 254242381 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
<p>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.</p><br>
- 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
| Manufacturer part number | 21-863WR |
|---|---|
| Automotive specialty part type | Cold Air Intakes |
| Compatible cars | 2019-2021 SUBARU WRX |
| Vehicle fitment type | Universal |
| Vehicle make | Subaru |
| Vehicle model | 21-863WR |
| Brand | AEM |
| Vehicle year | 2019, 2020, 2021 |
| Weight | 9.2 lb |
| Material | Aluminum |
| Finish | Machined |
| Color | Multicolor |
| Items included | AEM DRYFLOW synthetic washable air filter, mandrel-bent aluminum intake tube, high quality hardware, custom heat shield, factory fresh air duct |
| Model | 21-863WR |
| Count per pack | 1 |
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AEM Cold Air Intakes
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