Description
The AEM 21-865C places a reusable Dryflow filter in the original airbox area on supported Corolla 2.0L applications. An aluminum intake tube and heat shield replace the factory intake arrangement while accommodating the specified factory connections.
Design and operation
The gunmetal gray mandrel-bent tube includes provisions for the mass airflow sensor and breather connection. The heat shield helps separate the filter from surrounding heat; retaining sensor provisions does not by itself establish emissions approval.
Key specifications
- Manufacturer part number: 21-865C
- Gunmetal gray aluminum tube; heat shield; factory MAF and breather provisions.
- Washable, reusable, oil-free synthetic Dryflow filter.
- Replacement filter: 21-203DK.
Installation and compatibility
Confirm engine, body style, year and trim rather than relying on the Corolla name alone. Transfer the required factory connections according to the instructions and check for leaks after installation. Follow the installation instructions and confirm calibration compatibility with the vehicle’s existing modifications.
Maintenance
Inspect the filter according to dust exposure and use. Clean it with a cleaner suitable for the Dryflow media, allow it to dry fully and do not apply filter oil. Check clamps and connections during routine servicing.
Important application notes
Not legal for sale or use in California on pollution-controlled motor vehicles. Verify applicable local requirements before purchase.
Vehicle fitment
The following catalog applications include trim-specific year ranges. Confirm the exact vehicle before ordering; listed fitment does not by itself establish emissions approval.
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2023 | Toyota | Corolla | LE |
| 2019-2023 | Toyota | Corolla | SE |
| 2021-2022 | Toyota | Corolla | SE Apex |
| 2020-2022 | Toyota | Corolla | SE Nightshade |
| 2019-2023 | Toyota | Corolla | XSE |
| 2021-2022 | Toyota | Corolla | XSE Apex |