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The K&N Replacement Motorcycle Air Filter (HA-5221) is engineered to increase airflow for improved horsepower, throttle response, and acceleration while providing increased engine protection. Built with premium oiled cotton gauze, this washable and reusable air filter is designed for long-lasting performance, a precision OEM-style fit, and durable construction to keep your motorcycle performing ride after ride.
| Air Filter Material | Cotton Gauze |
| Height | 4.563 in (116 mm) |
| Inner Wire | No |
| Inside Diameter | 3.125 in (79 mm) |
| Outside Diameter | 5.125 in (130 mm) |
| Top Style | Rubber |
| Top Material | None |
| Air Filter Shape | Round |
| Flanges | 1 |
| Package Contents | 1 Air Filter |
| Package Quantity | 1 |
| Manufacturer Warranty | 1 Year Limited |
| Washable | Yes |
| Product Style | Round Air Filter |
| Weight | 0.9 lb (0.4 kg) |
| Filter Re-Oiling Amount | 1.02 oz (30 ml) |
| Product Box Height | 7.19 in (183 mm) |
| Product Box Length | 6.5 in (165 mm) |
| Product Box Width | 6.5 in (165 mm) |
| Vehicle (All Models) | Years |
|---|---|
| Honda SXS520M2 Pioneer 518 | 2021–2023, 2025 |
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