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AEM DryFlow Engine Air Filter - Subaru WRX STi 2019-2021
Lease for as low as $/week
- Engineered to boost horsepower and sharpen throttle response, giving your vehicle stronger, more immediate performance.
- Built with AEM’s washable, reusable Dryflow technology, designed to last for the entire life of your vehicle without ever needing oil.
- Delivers exceptional performance even in harsh, dusty racing environments, maintaining airflow and protection under pressure.
- Proudly manufactured in the USA with high-quality materials and precision standards.
- Will NOT void your vehicle’s warranty, performance you can install with total confidence.
| Air Filter Shape | Panel |
| Air Filter Material | Non-woven Synthetic |
| Height | 1.5 in (38 mm) |
| Outside Length | 9.063 in (230 mm) |
| Outside Width | 8.375 in (213 mm) |
| Package Quantity | 1 |
| Package Contents | 1 Air Filter |
| Washable | Yes |
| Warranty | Limited Lifetime |
| Product Style | AEM Dryflow Panel Air Filter |
| Filter Material | Non-woven Synthetic |
| Weight | 1.1 lb (0.5 kg) |
| Product Box Height | 11.7 in (297 mm) |
| Product Box Length | 10.4 in (264 mm) |
| Product Box Width | 2.6 in (66 mm) |
Returns may be accepted within 14 days of purchase pending Return Merchandise Authorization (RMA). No returns or cancellations on special order items. All returns will be charged a 20% restocking fee, no exceptions.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging. Item must be able to be resold as new.
Several types of goods are exempt from being returned. Hazardous materials, fluids, greases, chemicals, and clothing are not able to return.
Free shipping is available within the lower 48 states for most orders totaling $199 or more. A free shipping option will be available during checkout. This offer is for delivery address in the continental United States and excludes shipments going to Alaska, Hawaii, Military Boxes, and items that require freight shipping.
Processing Time
Patterson Performance stocks a large quantity of items at any given time. Some items may require drop shipping from one of our various distributors. In stock items will ship within 1-2 business days. If you're needing your product quickly, please contact us to verify product availability before placing your order. Orders requiring additional verification (security concerns, incorrect information, etc.) may need additional processing time. Estimated shipping dates are not guaranteed and are subject to change based on inventory levels and manufacturer lead times. Backordered items are shipped immediately once available.
Items ship daily, If the item you ordered is not in stock, a member of our team will contact you via email / phone.
Patterson Performance will only ship to an address that varies from your billing address if payment is made via Paypal or a financing partner.
Patterson Performance ships from multiple warehouses throughout the United States, and sometimes from manufacturers overseas.
You can simply contact us via email / telephone for a live inventory check
Find more information at www.P65Warnings.ca.gov.