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AEM Induction engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full AEM Induction lineup with fast shipping and expert fitment support — order with confidence.
Inject vibrant style and potent performance into your 2008-2014 Subaru WRX and WRX STI with the AEM 21-478WR Cold Air Intake System. This performance-driven upgrade is designed to significantly boost horsepower and torque by optimizing your engine's air intake. Featuring a striking textured red powder-coated finish on its mandrel-bent aluminum tubing, this system not only enhances performance but also adds a custom look under the hood.
The AEM 21-478WR is the perfect choice for Subaru enthusiasts looking to enhance both the performance and aesthetics of their vehicle. Experience improved throttle response and a more aggressive engine note.
Upgrade your Subaru's breathing system with this eye-catching intake. Find the AEM 21-478WR Textured Red Cold Air Intake at GGCRACING.
| Brand | AEM Induction |
|---|---|
| Manufacturer part number | 21-478WR |
| GGC SKU | AEM21-478WR |
| UPC / GTIN | 840879019266 |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 20.2 × 13.1 × 12.4 in |
|---|---|
| Shipping weight | 7.7 lb |
| Year | Make | Model | Trim |
|---|---|---|---|
| 2008-2014 | Subaru | Impreza | WRX, WRX STI |
| 2009-2014 | Subaru | Impreza | WRX Premium |
| 2010 | Subaru | Impreza | WRX STI Special Edition |
| 2010-2014 | Subaru | Impreza | WRX Limited |
| 2011 | Subaru | Impreza | 2.5i, 2.5i Premium, Outback Sport |
| 2011-2014 | Subaru | Impreza | WRX STI Limited |
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