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The Twin Air Fire Resistant Air Filter (158013FR) is an essential upgrade for modern 4-stroke motocross and off-road motorcycle enthusiasts looking to maximize engine performance and safety. Designed with a specialized triple-layer construction, it offers superior protection against backfire fires while optimizing airflow for improved power. While it provides exceptional filtration and a precise seal, users should note that its performance is dependent on regular maintenance and proper cleaning routines to keep the foam elements in peak condition.
| Model Part Number | 158013FR |
|---|---|
| Brand | Twin Air |
No. The Twin Air filter features a thick, flat, greaseless sealing ring designed to create an airtight seal without the need for additional grease.
While the adhesive is formulated to withstand solvents, it is highly recommended to use a purpose-made foam filter cleaner to preserve the integrity of the foam over time.
Replacement frequency depends on riding conditions. Inspect the filter after every ride; if the foam shows signs of tearing, hardening, or crumbling, it must be replaced immediately.
Yes, the internal layer is specifically designed to meet safety standards for modern 4-stroke applications.
The filter is intentionally sized to increase the air volume within the airbox, which helps improve circulation and provides better engine power.
Verify that the airbox flange is clean and free of debris; ensure the filter is correctly seated and the mounting hardware or cage is properly secured.
Check if too much filter oil was applied; excessive oil can restrict airflow, or insufficient oil may be allowing debris to pass through.
To install, ensure the airbox intake area is thoroughly cleaned of any old dirt or residual grease before seating the filter. Press the flat, greaseless sealing ring firmly against the mounting flange to ensure a full contact point.
Maintenance Tips:
